81273892

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{991}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 169989120

約数和(自身を除く): 88715228

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 101, 116, 202, 203, 404, 406, 707, 812, 991, 1414, 1982, 2828, 2929, 3964, 5858, 6937, 11716, 13874, 20503, 27748, 28739, 41006, 57478, 82012, 100091, 114956, 200182, 201173, 400364, 402346, 700637, 804692, 1401274, 2802548, 2902639, 5805278, 11610556, 20318473, 40636946, 81273892]

約数ペア:

[(1, 81273892), (2, 40636946), (4, 20318473), (7, 11610556), (14, 5805278), (28, 2902639), (29, 2802548), (58, 1401274), (101, 804692), (116, 700637), (202, 402346), (203, 400364), (404, 201173), (406, 200182), (707, 114956), (812, 100091), (991, 82012), (1414, 57478), (1982, 41006), (2828, 28739), (2929, 27748), (3964, 20503), (5858, 13874), (6937, 11716)]