28723288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 34780712

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 41, 44, 76, 82, 88, 152, 164, 209, 328, 418, 419, 451, 779, 836, 838, 902, 1558, 1672, 1676, 1804, 3116, 3352, 3608, 4609, 6232, 7961, 8569, 9218, 15922, 17138, 17179, 18436, 31844, 34276, 34358, 36872, 63688, 68552, 68716, 87571, 137432, 175142, 188969, 326401, 350284, 377938, 652802, 700568, 755876, 1305604, 1511752, 2611208, 3590411, 7180822, 14361644, 28723288]

約数ペア:

[(1, 28723288), (2, 14361644), (4, 7180822), (8, 3590411), (11, 2611208), (19, 1511752), (22, 1305604), (38, 755876), (41, 700568), (44, 652802), (76, 377938), (82, 350284), (88, 326401), (152, 188969), (164, 175142), (209, 137432), (328, 87571), (418, 68716), (419, 68552), (451, 63688), (779, 36872), (836, 34358), (838, 34276), (902, 31844), (1558, 18436), (1672, 17179), (1676, 17138), (1804, 15922), (3116, 9218), (3352, 8569), (3608, 7961), (4609, 6232)]