1994165856

素因数分解:

$2^5\times 3^2\times {\mathrm{421}}^1\times {\mathrm{16447}}^1$

素因数の和:16884

約数の個数: 72

約数和(自身を含む): 5684724864

約数和(自身を除く): 3690559008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 421, 842, 1263, 1684, 2526, 3368, 3789, 5052, 6736, 7578, 10104, 13472, 15156, 16447, 20208, 30312, 32894, 40416, 49341, 60624, 65788, 98682, 121248, 131576, 148023, 197364, 263152, 296046, 394728, 526304, 592092, 789456, 1184184, 1578912, 2368368, 4736736, 6924187, 13848374, 20772561, 27696748, 41545122, 55393496, 62317683, 83090244, 110786992, 124635366, 166180488, 221573984, 249270732, 332360976, 498541464, 664721952, 997082928, 1994165856]

約数ペア:

[(1, 1994165856), (2, 997082928), (3, 664721952), (4, 498541464), (6, 332360976), (8, 249270732), (9, 221573984), (12, 166180488), (16, 124635366), (18, 110786992), (24, 83090244), (32, 62317683), (36, 55393496), (48, 41545122), (72, 27696748), (96, 20772561), (144, 13848374), (288, 6924187), (421, 4736736), (842, 2368368), (1263, 1578912), (1684, 1184184), (2526, 789456), (3368, 592092), (3789, 526304), (5052, 394728), (6736, 296046), (7578, 263152), (10104, 197364), (13472, 148023), (15156, 131576), (16447, 121248), (20208, 98682), (30312, 65788), (32894, 60624), (40416, 49341)]