31123664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 72328704

約数和(自身を除く): 41205040

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 61, 88, 104, 122, 143, 176, 208, 223, 244, 286, 446, 488, 572, 671, 793, 892, 976, 1144, 1342, 1586, 1784, 2288, 2453, 2684, 2899, 3172, 3568, 4906, 5368, 5798, 6344, 8723, 9812, 10736, 11596, 12688, 13603, 17446, 19624, 23192, 27206, 31889, 34892, 39248, 46384, 54412, 63778, 69784, 108824, 127556, 139568, 149633, 176839, 217648, 255112, 299266, 353678, 510224, 598532, 707356, 1197064, 1414712, 1945229, 2394128, 2829424, 3890458, 7780916, 15561832, 31123664]

約数ペア:

[(1, 31123664), (2, 15561832), (4, 7780916), (8, 3890458), (11, 2829424), (13, 2394128), (16, 1945229), (22, 1414712), (26, 1197064), (44, 707356), (52, 598532), (61, 510224), (88, 353678), (104, 299266), (122, 255112), (143, 217648), (176, 176839), (208, 149633), (223, 139568), (244, 127556), (286, 108824), (446, 69784), (488, 63778), (572, 54412), (671, 46384), (793, 39248), (892, 34892), (976, 31889), (1144, 27206), (1342, 23192), (1586, 19624), (1784, 17446), (2288, 13603), (2453, 12688), (2684, 11596), (2899, 10736), (3172, 9812), (3568, 8723), (4906, 6344), (5368, 5798)]