28751408

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 68448000

約数和(自身を除く): 39696592

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 59, 76, 112, 118, 133, 152, 229, 236, 266, 304, 413, 458, 472, 532, 826, 916, 944, 1064, 1121, 1603, 1652, 1832, 2128, 2242, 3206, 3304, 3664, 4351, 4484, 6412, 6608, 7847, 8702, 8968, 12824, 13511, 15694, 17404, 17936, 25648, 27022, 30457, 31388, 34808, 54044, 60914, 62776, 69616, 94577, 108088, 121828, 125552, 189154, 216176, 243656, 256709, 378308, 487312, 513418, 756616, 1026836, 1513232, 1796963, 2053672, 3593926, 4107344, 7187852, 14375704, 28751408]

約数ペア:

[(1, 28751408), (2, 14375704), (4, 7187852), (7, 4107344), (8, 3593926), (14, 2053672), (16, 1796963), (19, 1513232), (28, 1026836), (38, 756616), (56, 513418), (59, 487312), (76, 378308), (112, 256709), (118, 243656), (133, 216176), (152, 189154), (229, 125552), (236, 121828), (266, 108088), (304, 94577), (413, 69616), (458, 62776), (472, 60914), (532, 54044), (826, 34808), (916, 31388), (944, 30457), (1064, 27022), (1121, 25648), (1603, 17936), (1652, 17404), (1832, 15694), (2128, 13511), (2242, 12824), (3206, 8968), (3304, 8702), (3664, 7847), (4351, 6608), (4484, 6412)]