291223010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{563}}^1$

素因数の和:779

約数の個数: 64

約数和(自身を含む): 593526528

約数和(自身を除く): 302303518

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 173, 230, 299, 346, 563, 598, 865, 1126, 1495, 1730, 2249, 2815, 2990, 3979, 4498, 5630, 7319, 7958, 11245, 12949, 14638, 19895, 22490, 25898, 36595, 39790, 51727, 64745, 73190, 97399, 103454, 129490, 168337, 194798, 258635, 336674, 486995, 517270, 841685, 973990, 1266187, 1683370, 2240177, 2532374, 4480354, 6330935, 11200885, 12661870, 22401770, 29122301, 58244602, 145611505, 291223010]

約数ペア:

[(1, 291223010), (2, 145611505), (5, 58244602), (10, 29122301), (13, 22401770), (23, 12661870), (26, 11200885), (46, 6330935), (65, 4480354), (115, 2532374), (130, 2240177), (173, 1683370), (230, 1266187), (299, 973990), (346, 841685), (563, 517270), (598, 486995), (865, 336674), (1126, 258635), (1495, 194798), (1730, 168337), (2249, 129490), (2815, 103454), (2990, 97399), (3979, 73190), (4498, 64745), (5630, 51727), (7319, 39790), (7958, 36595), (11245, 25898), (12949, 22490), (14638, 19895)]