31869136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 70651728

約数和(自身を除く): 38782592

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 41, 52, 74, 82, 101, 104, 148, 164, 202, 208, 296, 328, 404, 481, 533, 592, 656, 808, 962, 1066, 1313, 1517, 1616, 1924, 2132, 2626, 3034, 3737, 3848, 4141, 4264, 5252, 6068, 7474, 7696, 8282, 8528, 10504, 12136, 14948, 16564, 19721, 21008, 24272, 29896, 33128, 39442, 48581, 53833, 59792, 66256, 78884, 97162, 107666, 153217, 157768, 194324, 215332, 306434, 315536, 388648, 430664, 612868, 777296, 861328, 1225736, 1991821, 2451472, 3983642, 7967284, 15934568, 31869136]

約数ペア:

[(1, 31869136), (2, 15934568), (4, 7967284), (8, 3983642), (13, 2451472), (16, 1991821), (26, 1225736), (37, 861328), (41, 777296), (52, 612868), (74, 430664), (82, 388648), (101, 315536), (104, 306434), (148, 215332), (164, 194324), (202, 157768), (208, 153217), (296, 107666), (328, 97162), (404, 78884), (481, 66256), (533, 59792), (592, 53833), (656, 48581), (808, 39442), (962, 33128), (1066, 29896), (1313, 24272), (1517, 21008), (1616, 19721), (1924, 16564), (2132, 14948), (2626, 12136), (3034, 10504), (3737, 8528), (3848, 8282), (4141, 7696), (4264, 7474), (5252, 6068)]