31918936

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 72864000

約数和(自身を除く): 40945064

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 131, 133, 152, 229, 262, 266, 458, 524, 532, 916, 917, 1048, 1064, 1603, 1832, 1834, 2489, 3206, 3668, 4351, 4978, 6412, 7336, 8702, 9956, 12824, 17404, 17423, 19912, 29999, 30457, 34808, 34846, 59998, 60914, 69692, 119996, 121828, 139384, 209993, 239992, 243656, 419986, 569981, 839972, 1139962, 1679944, 2279924, 3989867, 4559848, 7979734, 15959468, 31918936]

約数ペア:

[(1, 31918936), (2, 15959468), (4, 7979734), (7, 4559848), (8, 3989867), (14, 2279924), (19, 1679944), (28, 1139962), (38, 839972), (56, 569981), (76, 419986), (131, 243656), (133, 239992), (152, 209993), (229, 139384), (262, 121828), (266, 119996), (458, 69692), (524, 60914), (532, 59998), (916, 34846), (917, 34808), (1048, 30457), (1064, 29999), (1603, 19912), (1832, 17423), (1834, 17404), (2489, 12824), (3206, 9956), (3668, 8702), (4351, 7336), (4978, 6412)]