291278416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2087}}^1$

素因数の和:2180

約数の個数: 80

約数和(自身を含む): 674206848

約数和(自身を除く): 382928432

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 61, 88, 104, 122, 143, 176, 208, 244, 286, 488, 572, 671, 793, 976, 1144, 1342, 1586, 2087, 2288, 2684, 3172, 4174, 5368, 6344, 8348, 8723, 10736, 12688, 16696, 17446, 22957, 27131, 33392, 34892, 45914, 54262, 69784, 91828, 108524, 127307, 139568, 183656, 217048, 254614, 298441, 367312, 434096, 509228, 596882, 1018456, 1193764, 1400377, 1654991, 2036912, 2387528, 2800754, 3309982, 4775056, 5601508, 6619964, 11203016, 13239928, 18204901, 22406032, 26479856, 36409802, 72819604, 145639208, 291278416]

約数ペア:

[(1, 291278416), (2, 145639208), (4, 72819604), (8, 36409802), (11, 26479856), (13, 22406032), (16, 18204901), (22, 13239928), (26, 11203016), (44, 6619964), (52, 5601508), (61, 4775056), (88, 3309982), (104, 2800754), (122, 2387528), (143, 2036912), (176, 1654991), (208, 1400377), (244, 1193764), (286, 1018456), (488, 596882), (572, 509228), (671, 434096), (793, 367312), (976, 298441), (1144, 254614), (1342, 217048), (1586, 183656), (2087, 139568), (2288, 127307), (2684, 108524), (3172, 91828), (4174, 69784), (5368, 54262), (6344, 45914), (8348, 34892), (8723, 33392), (10736, 27131), (12688, 22957), (16696, 17446)]