289094468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{131}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 582430464

約数和(自身を除く): 293335996

約数列:

[1, 2, 4, 13, 26, 31, 37, 52, 62, 74, 124, 131, 148, 262, 403, 481, 524, 806, 962, 1147, 1369, 1612, 1703, 1924, 2294, 2738, 3406, 4061, 4588, 4847, 5476, 6812, 8122, 9694, 14911, 16244, 17797, 19388, 29822, 35594, 42439, 52793, 59644, 63011, 71188, 84878, 105586, 126022, 150257, 169756, 179339, 211172, 252044, 300514, 358678, 551707, 601028, 717356, 1103414, 1953341, 2206828, 2331407, 3906682, 4662814, 5559509, 7813364, 9325628, 11119018, 22238036, 72273617, 144547234, 289094468]

約数ペア:

[(1, 289094468), (2, 144547234), (4, 72273617), (13, 22238036), (26, 11119018), (31, 9325628), (37, 7813364), (52, 5559509), (62, 4662814), (74, 3906682), (124, 2331407), (131, 2206828), (148, 1953341), (262, 1103414), (403, 717356), (481, 601028), (524, 551707), (806, 358678), (962, 300514), (1147, 252044), (1369, 211172), (1612, 179339), (1703, 169756), (1924, 150257), (2294, 126022), (2738, 105586), (3406, 84878), (4061, 71188), (4588, 63011), (4847, 59644), (5476, 52793), (6812, 42439), (8122, 35594), (9694, 29822), (14911, 19388), (16244, 17797)]