28213164

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:644

約数の個数: 96

約数和(自身を含む): 84994560

約数和(自身を除く): 56781396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 67, 84, 108, 126, 134, 189, 201, 252, 268, 378, 402, 469, 557, 603, 756, 804, 938, 1114, 1206, 1407, 1671, 1809, 1876, 2228, 2412, 2814, 3342, 3618, 3899, 4221, 5013, 5628, 6684, 7236, 7798, 8442, 10026, 11697, 12663, 15039, 15596, 16884, 20052, 23394, 25326, 30078, 35091, 37319, 46788, 50652, 60156, 70182, 74638, 105273, 111957, 140364, 149276, 210546, 223914, 261233, 335871, 421092, 447828, 522466, 671742, 783699, 1007613, 1044932, 1343484, 1567398, 2015226, 2351097, 3134796, 4030452, 4702194, 7053291, 9404388, 14106582, 28213164]

約数ペア:

[(1, 28213164), (2, 14106582), (3, 9404388), (4, 7053291), (6, 4702194), (7, 4030452), (9, 3134796), (12, 2351097), (14, 2015226), (18, 1567398), (21, 1343484), (27, 1044932), (28, 1007613), (36, 783699), (42, 671742), (54, 522466), (63, 447828), (67, 421092), (84, 335871), (108, 261233), (126, 223914), (134, 210546), (189, 149276), (201, 140364), (252, 111957), (268, 105273), (378, 74638), (402, 70182), (469, 60156), (557, 50652), (603, 46788), (756, 37319), (804, 35091), (938, 30078), (1114, 25326), (1206, 23394), (1407, 20052), (1671, 16884), (1809, 15596), (1876, 15039), (2228, 12663), (2412, 11697), (2814, 10026), (3342, 8442), (3618, 7798), (3899, 7236), (4221, 6684), (5013, 5628)]