989573048

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1637}}^1$

素因数の和:1800

約数の個数: 64

約数和(自身を含む): 2022602400

約数和(自身を除く): 1033029352

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 97, 152, 164, 194, 328, 388, 776, 779, 1558, 1637, 1843, 3116, 3274, 3686, 3977, 6232, 6548, 7372, 7954, 13096, 14744, 15908, 31103, 31816, 62206, 67117, 75563, 124412, 134234, 151126, 158789, 248824, 268468, 302252, 317578, 536936, 604504, 635156, 1270312, 1275223, 2550446, 3016991, 5100892, 6033982, 6510349, 10201784, 12067964, 13020698, 24135928, 26041396, 52082792, 123696631, 247393262, 494786524, 989573048]

約数ペア:

[(1, 989573048), (2, 494786524), (4, 247393262), (8, 123696631), (19, 52082792), (38, 26041396), (41, 24135928), (76, 13020698), (82, 12067964), (97, 10201784), (152, 6510349), (164, 6033982), (194, 5100892), (328, 3016991), (388, 2550446), (776, 1275223), (779, 1270312), (1558, 635156), (1637, 604504), (1843, 536936), (3116, 317578), (3274, 302252), (3686, 268468), (3977, 248824), (6232, 158789), (6548, 151126), (7372, 134234), (7954, 124412), (13096, 75563), (14744, 67117), (15908, 62206), (31103, 31816)]