28781424

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{4079}}^1$

素因数の和:4107

約数の個数: 90

約数和(自身を含む): 93721680

約数和(自身を除く): 64940256

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3528, 4079, 7056, 8158, 12237, 16316, 24474, 28553, 32632, 36711, 48948, 57106, 65264, 73422, 85659, 97896, 114212, 146844, 171318, 195792, 199871, 228424, 256977, 293688, 342636, 399742, 456848, 513954, 587376, 599613, 685272, 799484, 1027908, 1199226, 1370544, 1598968, 1798839, 2055816, 2398452, 3197936, 3597678, 4111632, 4796904, 7195356, 9593808, 14390712, 28781424]

約数ペア:

[(1, 28781424), (2, 14390712), (3, 9593808), (4, 7195356), (6, 4796904), (7, 4111632), (8, 3597678), (9, 3197936), (12, 2398452), (14, 2055816), (16, 1798839), (18, 1598968), (21, 1370544), (24, 1199226), (28, 1027908), (36, 799484), (42, 685272), (48, 599613), (49, 587376), (56, 513954), (63, 456848), (72, 399742), (84, 342636), (98, 293688), (112, 256977), (126, 228424), (144, 199871), (147, 195792), (168, 171318), (196, 146844), (252, 114212), (294, 97896), (336, 85659), (392, 73422), (441, 65264), (504, 57106), (588, 48948), (784, 36711), (882, 32632), (1008, 28553), (1176, 24474), (1764, 16316), (2352, 12237), (3528, 8158), (4079, 7056)]