256889724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{641}}^1$

素因数の和:1035

約数の個数: 96

約数和(自身を含む): 740898816

約数和(自身を除く): 484009092

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 367, 546, 641, 734, 1092, 1101, 1282, 1468, 1923, 2202, 2564, 2569, 3846, 4404, 4487, 4771, 5138, 7692, 7707, 8333, 8974, 9542, 10276, 13461, 14313, 15414, 16666, 17948, 19084, 24999, 26922, 28626, 30828, 33332, 33397, 49998, 53844, 57252, 58331, 66794, 99996, 100191, 116662, 133588, 174993, 200382, 233324, 235247, 349986, 400764, 470494, 699972, 705741, 940988, 1411482, 1646729, 2822964, 3058211, 3293458, 4940187, 6116422, 6586916, 9174633, 9880374, 12232844, 18349266, 19760748, 21407477, 36698532, 42814954, 64222431, 85629908, 128444862, 256889724]

約数ペア:

[(1, 256889724), (2, 128444862), (3, 85629908), (4, 64222431), (6, 42814954), (7, 36698532), (12, 21407477), (13, 19760748), (14, 18349266), (21, 12232844), (26, 9880374), (28, 9174633), (39, 6586916), (42, 6116422), (52, 4940187), (78, 3293458), (84, 3058211), (91, 2822964), (156, 1646729), (182, 1411482), (273, 940988), (364, 705741), (367, 699972), (546, 470494), (641, 400764), (734, 349986), (1092, 235247), (1101, 233324), (1282, 200382), (1468, 174993), (1923, 133588), (2202, 116662), (2564, 100191), (2569, 99996), (3846, 66794), (4404, 58331), (4487, 57252), (4771, 53844), (5138, 49998), (7692, 33397), (7707, 33332), (8333, 30828), (8974, 28626), (9542, 26922), (10276, 24999), (13461, 19084), (14313, 17948), (15414, 16666)]