31396428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4019}}^1$

素因数の和:4067

約数の個数: 72

約数和(自身を含む): 93649920

約数和(自身を除く): 62253492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 4019, 7812, 8038, 12057, 16076, 24114, 28133, 36171, 48228, 56266, 72342, 84399, 112532, 124589, 144684, 168798, 249178, 253197, 337596, 373767, 498356, 506394, 747534, 872123, 1012788, 1121301, 1495068, 1744246, 2242602, 2616369, 3488492, 4485204, 5232738, 7849107, 10465476, 15698214, 31396428]

約数ペア:

[(1, 31396428), (2, 15698214), (3, 10465476), (4, 7849107), (6, 5232738), (7, 4485204), (9, 3488492), (12, 2616369), (14, 2242602), (18, 1744246), (21, 1495068), (28, 1121301), (31, 1012788), (36, 872123), (42, 747534), (62, 506394), (63, 498356), (84, 373767), (93, 337596), (124, 253197), (126, 249178), (186, 168798), (217, 144684), (252, 124589), (279, 112532), (372, 84399), (434, 72342), (558, 56266), (651, 48228), (868, 36171), (1116, 28133), (1302, 24114), (1953, 16076), (2604, 12057), (3906, 8038), (4019, 7812)]