28231390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 60715008

約数和(自身を除く): 32483618

約数列:

[1, 2, 5, 10, 11, 17, 22, 31, 34, 55, 62, 85, 110, 155, 170, 187, 310, 341, 374, 487, 527, 682, 935, 974, 1054, 1705, 1870, 2435, 2635, 3410, 4870, 5270, 5357, 5797, 8279, 10714, 11594, 15097, 16558, 26785, 28985, 30194, 41395, 53570, 57970, 75485, 82790, 91069, 150970, 166067, 182138, 256649, 332134, 455345, 513298, 830335, 910690, 1283245, 1660670, 2566490, 2823139, 5646278, 14115695, 28231390]

約数ペア:

[(1, 28231390), (2, 14115695), (5, 5646278), (10, 2823139), (11, 2566490), (17, 1660670), (22, 1283245), (31, 910690), (34, 830335), (55, 513298), (62, 455345), (85, 332134), (110, 256649), (155, 182138), (170, 166067), (187, 150970), (310, 91069), (341, 82790), (374, 75485), (487, 57970), (527, 53570), (682, 41395), (935, 30194), (974, 28985), (1054, 26785), (1705, 16558), (1870, 15097), (2435, 11594), (2635, 10714), (3410, 8279), (4870, 5797), (5270, 5357)]