644393808

素因数分解:

$2^4\times 3^2\times {\mathrm{1223}}^1\times {\mathrm{3659}}^1$

素因数の和:4896

約数の個数: 60

約数和(自身を含む): 1805375520

約数和(自身を除く): 1160981712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1223, 2446, 3659, 3669, 4892, 7318, 7338, 9784, 10977, 11007, 14636, 14676, 19568, 21954, 22014, 29272, 29352, 32931, 43908, 44028, 58544, 58704, 65862, 87816, 88056, 131724, 175632, 176112, 263448, 526896, 4474957, 8949914, 13424871, 17899828, 26849742, 35799656, 40274613, 53699484, 71599312, 80549226, 107398968, 161098452, 214797936, 322196904, 644393808]

約数ペア:

[(1, 644393808), (2, 322196904), (3, 214797936), (4, 161098452), (6, 107398968), (8, 80549226), (9, 71599312), (12, 53699484), (16, 40274613), (18, 35799656), (24, 26849742), (36, 17899828), (48, 13424871), (72, 8949914), (144, 4474957), (1223, 526896), (2446, 263448), (3659, 176112), (3669, 175632), (4892, 131724), (7318, 88056), (7338, 87816), (9784, 65862), (10977, 58704), (11007, 58544), (14636, 44028), (14676, 43908), (19568, 32931), (21954, 29352), (22014, 29272)]