397351388

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1319}}^1$

素因数の和:1419

約数の個数: 72

約数和(自身を含む): 853221600

約数和(自身を除く): 455870212

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 53, 58, 98, 106, 116, 196, 203, 212, 371, 406, 742, 812, 1319, 1421, 1484, 1537, 2597, 2638, 2842, 3074, 5194, 5276, 5684, 6148, 9233, 10388, 10759, 18466, 21518, 36932, 38251, 43036, 64631, 69907, 75313, 76502, 129262, 139814, 150626, 153004, 258524, 267757, 279628, 301252, 489349, 535514, 978698, 1071028, 1874299, 1957396, 2027303, 3425443, 3748598, 4054606, 6850886, 7497196, 8109212, 13701772, 14191121, 28382242, 56764484, 99337847, 198675694, 397351388]

約数ペア:

[(1, 397351388), (2, 198675694), (4, 99337847), (7, 56764484), (14, 28382242), (28, 14191121), (29, 13701772), (49, 8109212), (53, 7497196), (58, 6850886), (98, 4054606), (106, 3748598), (116, 3425443), (196, 2027303), (203, 1957396), (212, 1874299), (371, 1071028), (406, 978698), (742, 535514), (812, 489349), (1319, 301252), (1421, 279628), (1484, 267757), (1537, 258524), (2597, 153004), (2638, 150626), (2842, 139814), (3074, 129262), (5194, 76502), (5276, 75313), (5684, 69907), (6148, 64631), (9233, 43036), (10388, 38251), (10759, 36932), (18466, 21518)]