31465984

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:217

約数の個数: 80

約数和(自身を含む): 70906176

約数和(自身を除く): 39440192

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 128, 148, 151, 176, 256, 296, 302, 352, 407, 512, 592, 604, 704, 814, 1184, 1208, 1408, 1628, 1661, 2368, 2416, 2816, 3256, 3322, 4736, 4832, 5587, 5632, 6512, 6644, 9472, 9664, 11174, 13024, 13288, 18944, 19328, 22348, 26048, 26576, 38656, 44696, 52096, 53152, 61457, 77312, 89392, 104192, 106304, 122914, 178784, 208384, 212608, 245828, 357568, 425216, 491656, 715136, 850432, 983312, 1430272, 1966624, 2860544, 3933248, 7866496, 15732992, 31465984]

約数ペア:

[(1, 31465984), (2, 15732992), (4, 7866496), (8, 3933248), (11, 2860544), (16, 1966624), (22, 1430272), (32, 983312), (37, 850432), (44, 715136), (64, 491656), (74, 425216), (88, 357568), (128, 245828), (148, 212608), (151, 208384), (176, 178784), (256, 122914), (296, 106304), (302, 104192), (352, 89392), (407, 77312), (512, 61457), (592, 53152), (604, 52096), (704, 44696), (814, 38656), (1184, 26576), (1208, 26048), (1408, 22348), (1628, 19328), (1661, 18944), (2368, 13288), (2416, 13024), (2816, 11174), (3256, 9664), (3322, 9472), (4736, 6644), (4832, 6512), (5587, 5632)]