181566256

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 391903488

約数和(自身を除く): 210337232

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 61, 62, 68, 122, 124, 136, 244, 248, 272, 353, 488, 496, 527, 706, 976, 1037, 1054, 1412, 1891, 2074, 2108, 2824, 3782, 4148, 4216, 5648, 6001, 7564, 8296, 8432, 10943, 12002, 15128, 16592, 21533, 21886, 24004, 30256, 32147, 43066, 43772, 48008, 64294, 86132, 87544, 96016, 128588, 172264, 175088, 186031, 257176, 344528, 366061, 372062, 514352, 667523, 732122, 744124, 1335046, 1464244, 1488248, 2670092, 2928488, 2976496, 5340184, 5856976, 10680368, 11347891, 22695782, 45391564, 90783128, 181566256]

約数ペア:

[(1, 181566256), (2, 90783128), (4, 45391564), (8, 22695782), (16, 11347891), (17, 10680368), (31, 5856976), (34, 5340184), (61, 2976496), (62, 2928488), (68, 2670092), (122, 1488248), (124, 1464244), (136, 1335046), (244, 744124), (248, 732122), (272, 667523), (353, 514352), (488, 372062), (496, 366061), (527, 344528), (706, 257176), (976, 186031), (1037, 175088), (1054, 172264), (1412, 128588), (1891, 96016), (2074, 87544), (2108, 86132), (2824, 64294), (3782, 48008), (4148, 43772), (4216, 43066), (5648, 32147), (6001, 30256), (7564, 24004), (8296, 21886), (8432, 21533), (10943, 16592), (12002, 15128)]