646654788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{503}}^1$

素因数の和:634

約数の個数: 144

約数和(自身を含む): 1833826176

約数和(自身を除く): 1187171388

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 67, 78, 82, 117, 123, 134, 156, 164, 201, 234, 246, 268, 369, 402, 468, 492, 503, 533, 603, 738, 804, 871, 1006, 1066, 1206, 1476, 1509, 1599, 1742, 2012, 2132, 2412, 2613, 2747, 3018, 3198, 3484, 4527, 4797, 5226, 5494, 6036, 6396, 6539, 7839, 8241, 9054, 9594, 10452, 10988, 13078, 15678, 16482, 18108, 19188, 19617, 20623, 24723, 26156, 31356, 32964, 33701, 35711, 39234, 41246, 49446, 58851, 61869, 67402, 71422, 78468, 82492, 98892, 101103, 107133, 117702, 123738, 134804, 142844, 185607, 202206, 214266, 235404, 247476, 268099, 303309, 321399, 371214, 404412, 428532, 438113, 536198, 606618, 642798, 742428, 804297, 876226, 1072396, 1213236, 1285596, 1314339, 1381741, 1608594, 1752452, 2412891, 2628678, 2763482, 3217188, 3943017, 4145223, 4825782, 5257356, 5526964, 7886034, 8290446, 9651564, 12435669, 15772068, 16580892, 17962633, 24871338, 35925266, 49742676, 53887899, 71850532, 107775798, 161663697, 215551596, 323327394, 646654788]

約数ペア:

[(1, 646654788), (2, 323327394), (3, 215551596), (4, 161663697), (6, 107775798), (9, 71850532), (12, 53887899), (13, 49742676), (18, 35925266), (26, 24871338), (36, 17962633), (39, 16580892), (41, 15772068), (52, 12435669), (67, 9651564), (78, 8290446), (82, 7886034), (117, 5526964), (123, 5257356), (134, 4825782), (156, 4145223), (164, 3943017), (201, 3217188), (234, 2763482), (246, 2628678), (268, 2412891), (369, 1752452), (402, 1608594), (468, 1381741), (492, 1314339), (503, 1285596), (533, 1213236), (603, 1072396), (738, 876226), (804, 804297), (871, 742428), (1006, 642798), (1066, 606618), (1206, 536198), (1476, 438113), (1509, 428532), (1599, 404412), (1742, 371214), (2012, 321399), (2132, 303309), (2412, 268099), (2613, 247476), (2747, 235404), (3018, 214266), (3198, 202206), (3484, 185607), (4527, 142844), (4797, 134804), (5226, 123738), (5494, 117702), (6036, 107133), (6396, 101103), (6539, 98892), (7839, 82492), (8241, 78468), (9054, 71422), (9594, 67402), (10452, 61869), (10988, 58851), (13078, 49446), (15678, 41246), (16482, 39234), (18108, 35711), (19188, 33701), (19617, 32964), (20623, 31356), (24723, 26156)]