66131728

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:732

約数の個数: 60

約数和(自身を含む): 142709988

約数和(自身を除く): 76578260

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 169, 208, 296, 338, 481, 592, 661, 676, 962, 1322, 1352, 1924, 2644, 2704, 3848, 5288, 6253, 7696, 8593, 10576, 12506, 17186, 24457, 25012, 34372, 48914, 50024, 68744, 97828, 100048, 111709, 137488, 195656, 223418, 317941, 391312, 446836, 635882, 893672, 1271764, 1787344, 2543528, 4133233, 5087056, 8266466, 16532932, 33065864, 66131728]

約数ペア:

[(1, 66131728), (2, 33065864), (4, 16532932), (8, 8266466), (13, 5087056), (16, 4133233), (26, 2543528), (37, 1787344), (52, 1271764), (74, 893672), (104, 635882), (148, 446836), (169, 391312), (208, 317941), (296, 223418), (338, 195656), (481, 137488), (592, 111709), (661, 100048), (676, 97828), (962, 68744), (1322, 50024), (1352, 48914), (1924, 34372), (2644, 25012), (2704, 24457), (3848, 17186), (5288, 12506), (6253, 10576), (7696, 8593)]