639888912

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{341821}}^1$

素因数の和:341848

約数の個数: 60

約数和(自身を含む): 1928559724

約数和(自身を除く): 1288670812

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 341821, 683642, 1025463, 1367284, 2050926, 2734568, 3076389, 4101852, 4443673, 5469136, 6152778, 8203704, 8887346, 12305556, 13331019, 16407408, 17774692, 24611112, 26662038, 35549384, 39993057, 49222224, 53324076, 71098768, 79986114, 106648152, 159972228, 213296304, 319944456, 639888912]

約数ペア:

[(1, 639888912), (2, 319944456), (3, 213296304), (4, 159972228), (6, 106648152), (8, 79986114), (9, 71098768), (12, 53324076), (13, 49222224), (16, 39993057), (18, 35549384), (24, 26662038), (26, 24611112), (36, 17774692), (39, 16407408), (48, 13331019), (52, 12305556), (72, 8887346), (78, 8203704), (104, 6152778), (117, 5469136), (144, 4443673), (156, 4101852), (208, 3076389), (234, 2734568), (312, 2050926), (468, 1367284), (624, 1025463), (936, 683642), (1872, 341821)]