686790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{587}}^1$

素因数の和:613

約数の個数: 48

約数和(自身を含む): 1926288

約数和(自身を除く): 1239498

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 587, 1170, 1174, 1761, 2935, 3522, 5283, 5870, 7631, 8805, 10566, 15262, 17610, 22893, 26415, 38155, 45786, 52830, 68679, 76310, 114465, 137358, 228930, 343395, 686790]

約数ペア:

[(1, 686790), (2, 343395), (3, 228930), (5, 137358), (6, 114465), (9, 76310), (10, 68679), (13, 52830), (15, 45786), (18, 38155), (26, 26415), (30, 22893), (39, 17610), (45, 15262), (65, 10566), (78, 8805), (90, 7631), (117, 5870), (130, 5283), (195, 3522), (234, 2935), (390, 1761), (585, 1174), (587, 1170)]