31198570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:799

約数の個数: 64

約数和(自身を含む): 67495680

約数和(自身を除く): 36297110

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 743, 1105, 1235, 1486, 1615, 2210, 2470, 3230, 3715, 4199, 7430, 8398, 9659, 12631, 14117, 19318, 20995, 25262, 28234, 41990, 48295, 63155, 70585, 96590, 126310, 141170, 164203, 183521, 239989, 328406, 367042, 479978, 821015, 917605, 1199945, 1642030, 1835210, 2399890, 3119857, 6239714, 15599285, 31198570]

約数ペア:

[(1, 31198570), (2, 15599285), (5, 6239714), (10, 3119857), (13, 2399890), (17, 1835210), (19, 1642030), (26, 1199945), (34, 917605), (38, 821015), (65, 479978), (85, 367042), (95, 328406), (130, 239989), (170, 183521), (190, 164203), (221, 141170), (247, 126310), (323, 96590), (442, 70585), (494, 63155), (646, 48295), (743, 41990), (1105, 28234), (1235, 25262), (1486, 20995), (1615, 19318), (2210, 14117), (2470, 12631), (3230, 9659), (3715, 8398), (4199, 7430)]