31379868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3529}}^1$

素因数の和:3571

約数の個数: 72

約数和(自身を含む): 89944400

約数和(自身を除く): 58564532

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 3529, 4446, 7058, 8892, 10587, 14116, 21174, 31761, 42348, 45877, 63522, 67051, 91754, 127044, 134102, 137631, 183508, 201153, 268204, 275262, 402306, 412893, 550524, 603459, 804612, 825786, 871663, 1206918, 1651572, 1743326, 2413836, 2614989, 3486652, 5229978, 7844967, 10459956, 15689934, 31379868]

約数ペア:

[(1, 31379868), (2, 15689934), (3, 10459956), (4, 7844967), (6, 5229978), (9, 3486652), (12, 2614989), (13, 2413836), (18, 1743326), (19, 1651572), (26, 1206918), (36, 871663), (38, 825786), (39, 804612), (52, 603459), (57, 550524), (76, 412893), (78, 402306), (114, 275262), (117, 268204), (156, 201153), (171, 183508), (228, 137631), (234, 134102), (247, 127044), (342, 91754), (468, 67051), (494, 63522), (684, 45877), (741, 42348), (988, 31761), (1482, 21174), (2223, 14116), (2964, 10587), (3529, 8892), (4446, 7058)]