28688330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 59719680

約数和(自身を除く): 31031350

約数列:

[1, 2, 5, 10, 11, 22, 31, 47, 55, 62, 94, 110, 155, 179, 235, 310, 341, 358, 470, 517, 682, 895, 1034, 1457, 1705, 1790, 1969, 2585, 2914, 3410, 3938, 5170, 5549, 7285, 8413, 9845, 11098, 14570, 16027, 16826, 19690, 27745, 32054, 42065, 55490, 61039, 80135, 84130, 92543, 122078, 160270, 185086, 260803, 305195, 462715, 521606, 610390, 925430, 1304015, 2608030, 2868833, 5737666, 14344165, 28688330]

約数ペア:

[(1, 28688330), (2, 14344165), (5, 5737666), (10, 2868833), (11, 2608030), (22, 1304015), (31, 925430), (47, 610390), (55, 521606), (62, 462715), (94, 305195), (110, 260803), (155, 185086), (179, 160270), (235, 122078), (310, 92543), (341, 84130), (358, 80135), (470, 61039), (517, 55490), (682, 42065), (895, 32054), (1034, 27745), (1457, 19690), (1705, 16826), (1790, 16027), (1969, 14570), (2585, 11098), (2914, 9845), (3410, 8413), (3938, 7285), (5170, 5549)]