56991558

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 128024064

約数和(自身を除く): 71032506

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 71, 78, 82, 123, 142, 213, 246, 251, 426, 502, 533, 753, 923, 1066, 1506, 1599, 1846, 2769, 2911, 3198, 3263, 5538, 5822, 6526, 8733, 9789, 10291, 17466, 17821, 19578, 20582, 30873, 35642, 37843, 53463, 61746, 75686, 106926, 113529, 133783, 227058, 231673, 267566, 401349, 463346, 695019, 730661, 802698, 1390038, 1461322, 2191983, 4383966, 9498593, 18997186, 28495779, 56991558]

約数ペア:

[(1, 56991558), (2, 28495779), (3, 18997186), (6, 9498593), (13, 4383966), (26, 2191983), (39, 1461322), (41, 1390038), (71, 802698), (78, 730661), (82, 695019), (123, 463346), (142, 401349), (213, 267566), (246, 231673), (251, 227058), (426, 133783), (502, 113529), (533, 106926), (753, 75686), (923, 61746), (1066, 53463), (1506, 37843), (1599, 35642), (1846, 30873), (2769, 20582), (2911, 19578), (3198, 17821), (3263, 17466), (5538, 10291), (5822, 9789), (6526, 8733)]