221831792

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{607}}^1$

素因数の和:886

約数の個数: 80

約数和(自身を含む): 531965952

約数和(自身を除く): 310134160

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 251, 364, 502, 607, 728, 1004, 1214, 1456, 1757, 2008, 2428, 3263, 3514, 4016, 4249, 4856, 6526, 7028, 7891, 8498, 9712, 13052, 14056, 15782, 16996, 22841, 26104, 28112, 31564, 33992, 45682, 52208, 55237, 63128, 67984, 91364, 110474, 126256, 152357, 182728, 220948, 304714, 365456, 441896, 609428, 883792, 1066499, 1218856, 1980641, 2132998, 2437712, 3961282, 4265996, 7922564, 8531992, 13864487, 15845128, 17063984, 27728974, 31690256, 55457948, 110915896, 221831792]

約数ペア:

[(1, 221831792), (2, 110915896), (4, 55457948), (7, 31690256), (8, 27728974), (13, 17063984), (14, 15845128), (16, 13864487), (26, 8531992), (28, 7922564), (52, 4265996), (56, 3961282), (91, 2437712), (104, 2132998), (112, 1980641), (182, 1218856), (208, 1066499), (251, 883792), (364, 609428), (502, 441896), (607, 365456), (728, 304714), (1004, 220948), (1214, 182728), (1456, 152357), (1757, 126256), (2008, 110474), (2428, 91364), (3263, 67984), (3514, 63128), (4016, 55237), (4249, 52208), (4856, 45682), (6526, 33992), (7028, 31564), (7891, 28112), (8498, 26104), (9712, 22841), (13052, 16996), (14056, 15782)]