31470944

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:168

約数の個数: 72

約数和(自身を含む): 68235048

約数和(自身を除く): 36764104

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 68, 82, 83, 136, 164, 166, 272, 289, 328, 332, 544, 578, 656, 664, 697, 1156, 1312, 1328, 1394, 1411, 2312, 2656, 2788, 2822, 3403, 4624, 5576, 5644, 6806, 9248, 11152, 11288, 11849, 13612, 22304, 22576, 23698, 23987, 27224, 45152, 47396, 47974, 54448, 57851, 94792, 95948, 108896, 115702, 189584, 191896, 231404, 379168, 383792, 462808, 767584, 925616, 983467, 1851232, 1966934, 3933868, 7867736, 15735472, 31470944]

約数ペア:

[(1, 31470944), (2, 15735472), (4, 7867736), (8, 3933868), (16, 1966934), (17, 1851232), (32, 983467), (34, 925616), (41, 767584), (68, 462808), (82, 383792), (83, 379168), (136, 231404), (164, 191896), (166, 189584), (272, 115702), (289, 108896), (328, 95948), (332, 94792), (544, 57851), (578, 54448), (656, 47974), (664, 47396), (697, 45152), (1156, 27224), (1312, 23987), (1328, 23698), (1394, 22576), (1411, 22304), (2312, 13612), (2656, 11849), (2788, 11288), (2822, 11152), (3403, 9248), (4624, 6806), (5576, 5644)]