198138928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:626

約数の個数: 80

約数和(自身を含む): 437472000

約数和(自身を除く): 239333072

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 83, 92, 104, 166, 184, 208, 299, 332, 368, 499, 598, 664, 998, 1079, 1196, 1328, 1909, 1996, 2158, 2392, 3818, 3992, 4316, 4784, 6487, 7636, 7984, 8632, 11477, 12974, 15272, 17264, 22954, 24817, 25948, 30544, 41417, 45908, 49634, 51896, 82834, 91816, 99268, 103792, 149201, 165668, 183632, 198536, 298402, 331336, 397072, 538421, 596804, 662672, 952591, 1076842, 1193608, 1905182, 2153684, 2387216, 3810364, 4307368, 7620728, 8614736, 12383683, 15241456, 24767366, 49534732, 99069464, 198138928]

約数ペア:

[(1, 198138928), (2, 99069464), (4, 49534732), (8, 24767366), (13, 15241456), (16, 12383683), (23, 8614736), (26, 7620728), (46, 4307368), (52, 3810364), (83, 2387216), (92, 2153684), (104, 1905182), (166, 1193608), (184, 1076842), (208, 952591), (299, 662672), (332, 596804), (368, 538421), (499, 397072), (598, 331336), (664, 298402), (998, 198536), (1079, 183632), (1196, 165668), (1328, 149201), (1909, 103792), (1996, 99268), (2158, 91816), (2392, 82834), (3818, 51896), (3992, 49634), (4316, 45908), (4784, 41417), (6487, 30544), (7636, 25948), (7984, 24817), (8632, 22954), (11477, 17264), (12974, 15272)]