278160948

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{3989}}^1$

素因数の和:4161

約数の個数: 72

約数和(自身を含む): 762489000

約数和(自身を除く): 484328052

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 149, 156, 234, 298, 447, 468, 596, 894, 1341, 1788, 1937, 2682, 3874, 3989, 5364, 5811, 7748, 7978, 11622, 11967, 15956, 17433, 23244, 23934, 34866, 35901, 47868, 51857, 69732, 71802, 103714, 143604, 155571, 207428, 311142, 466713, 594361, 622284, 933426, 1188722, 1783083, 1866852, 2377444, 3566166, 5349249, 7132332, 7726693, 10698498, 15453386, 21396996, 23180079, 30906772, 46360158, 69540237, 92720316, 139080474, 278160948]

約数ペア:

[(1, 278160948), (2, 139080474), (3, 92720316), (4, 69540237), (6, 46360158), (9, 30906772), (12, 23180079), (13, 21396996), (18, 15453386), (26, 10698498), (36, 7726693), (39, 7132332), (52, 5349249), (78, 3566166), (117, 2377444), (149, 1866852), (156, 1783083), (234, 1188722), (298, 933426), (447, 622284), (468, 594361), (596, 466713), (894, 311142), (1341, 207428), (1788, 155571), (1937, 143604), (2682, 103714), (3874, 71802), (3989, 69732), (5364, 51857), (5811, 47868), (7748, 35901), (7978, 34866), (11622, 23934), (11967, 23244), (15956, 17433)]