81505704

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{11833}}^1$

素因数の和:11890

約数の個数: 64

約数和(自身を含む): 238573440

約数和(自身を除く): 157067736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 82, 84, 123, 164, 168, 246, 287, 328, 492, 574, 861, 984, 1148, 1722, 2296, 3444, 6888, 11833, 23666, 35499, 47332, 70998, 82831, 94664, 141996, 165662, 248493, 283992, 331324, 485153, 496986, 662648, 970306, 993972, 1455459, 1940612, 1987944, 2910918, 3396071, 3881224, 5821836, 6792142, 10188213, 11643672, 13584284, 20376426, 27168568, 40752852, 81505704]

約数ペア:

[(1, 81505704), (2, 40752852), (3, 27168568), (4, 20376426), (6, 13584284), (7, 11643672), (8, 10188213), (12, 6792142), (14, 5821836), (21, 3881224), (24, 3396071), (28, 2910918), (41, 1987944), (42, 1940612), (56, 1455459), (82, 993972), (84, 970306), (123, 662648), (164, 496986), (168, 485153), (246, 331324), (287, 283992), (328, 248493), (492, 165662), (574, 141996), (861, 94664), (984, 82831), (1148, 70998), (1722, 47332), (2296, 35499), (3444, 23666), (6888, 11833)]