26781690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1663

約数の個数: 64

約数和(自身を含む): 70874496

約数和(自身を除く): 44092806

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1597, 1677, 2795, 3194, 3354, 4791, 5590, 7985, 8385, 9582, 15970, 16770, 20761, 23955, 41522, 47910, 62283, 68671, 103805, 124566, 137342, 206013, 207610, 311415, 343355, 412026, 622830, 686710, 892723, 1030065, 1785446, 2060130, 2678169, 4463615, 5356338, 8927230, 13390845, 26781690]

約数ペア:

[(1, 26781690), (2, 13390845), (3, 8927230), (5, 5356338), (6, 4463615), (10, 2678169), (13, 2060130), (15, 1785446), (26, 1030065), (30, 892723), (39, 686710), (43, 622830), (65, 412026), (78, 343355), (86, 311415), (129, 207610), (130, 206013), (195, 137342), (215, 124566), (258, 103805), (390, 68671), (430, 62283), (559, 47910), (645, 41522), (1118, 23955), (1290, 20761), (1597, 16770), (1677, 15970), (2795, 9582), (3194, 8385), (3354, 7985), (4791, 5590)]