64931816

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 133920000

約数和(自身を除く): 68988184

約数列:

[1, 2, 4, 8, 19, 38, 47, 61, 76, 94, 122, 149, 152, 188, 244, 298, 376, 488, 596, 893, 1159, 1192, 1786, 2318, 2831, 2867, 3572, 4636, 5662, 5734, 7003, 7144, 9089, 9272, 11324, 11468, 14006, 18178, 22648, 22936, 28012, 36356, 54473, 56024, 72712, 108946, 133057, 172691, 217892, 266114, 345382, 427183, 435784, 532228, 690764, 854366, 1064456, 1381528, 1708732, 3417464, 8116477, 16232954, 32465908, 64931816]

約数ペア:

[(1, 64931816), (2, 32465908), (4, 16232954), (8, 8116477), (19, 3417464), (38, 1708732), (47, 1381528), (61, 1064456), (76, 854366), (94, 690764), (122, 532228), (149, 435784), (152, 427183), (188, 345382), (244, 266114), (298, 217892), (376, 172691), (488, 133057), (596, 108946), (893, 72712), (1159, 56024), (1192, 54473), (1786, 36356), (2318, 28012), (2831, 22936), (2867, 22648), (3572, 18178), (4636, 14006), (5662, 11468), (5734, 11324), (7003, 9272), (7144, 9089)]