81774352

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 185238144

約数和(自身を除く): 103463792

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 151, 176, 181, 187, 272, 302, 362, 374, 604, 724, 748, 1208, 1448, 1496, 1661, 1991, 2416, 2567, 2896, 2992, 3077, 3322, 3982, 5134, 6154, 6644, 7964, 10268, 12308, 13288, 15928, 20536, 24616, 26576, 27331, 28237, 31856, 33847, 41072, 49232, 54662, 56474, 67694, 109324, 112948, 135388, 218648, 225896, 270776, 300641, 437296, 451792, 464627, 541552, 601282, 929254, 1202564, 1858508, 2405128, 3717016, 4810256, 5110897, 7434032, 10221794, 20443588, 40887176, 81774352]

約数ペア:

[(1, 81774352), (2, 40887176), (4, 20443588), (8, 10221794), (11, 7434032), (16, 5110897), (17, 4810256), (22, 3717016), (34, 2405128), (44, 1858508), (68, 1202564), (88, 929254), (136, 601282), (151, 541552), (176, 464627), (181, 451792), (187, 437296), (272, 300641), (302, 270776), (362, 225896), (374, 218648), (604, 135388), (724, 112948), (748, 109324), (1208, 67694), (1448, 56474), (1496, 54662), (1661, 49232), (1991, 41072), (2416, 33847), (2567, 31856), (2896, 28237), (2992, 27331), (3077, 26576), (3322, 24616), (3982, 20536), (5134, 15928), (6154, 13288), (6644, 12308), (7964, 10268)]