890454968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{5659}}^1$

素因数の和:5784

約数の個数: 64

約数和(自身を含む): 1925532000

約数和(自身を除く): 1035077032

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 89, 104, 136, 178, 221, 356, 442, 712, 884, 1157, 1513, 1768, 2314, 3026, 4628, 5659, 6052, 9256, 11318, 12104, 19669, 22636, 39338, 45272, 73567, 78676, 96203, 147134, 157352, 192406, 294268, 384812, 503651, 588536, 769624, 1007302, 1250639, 2014604, 2501278, 4029208, 5002556, 6547463, 8562067, 10005112, 13094926, 17124134, 26189852, 34248268, 52379704, 68496536, 111306871, 222613742, 445227484, 890454968]

約数ペア:

[(1, 890454968), (2, 445227484), (4, 222613742), (8, 111306871), (13, 68496536), (17, 52379704), (26, 34248268), (34, 26189852), (52, 17124134), (68, 13094926), (89, 10005112), (104, 8562067), (136, 6547463), (178, 5002556), (221, 4029208), (356, 2501278), (442, 2014604), (712, 1250639), (884, 1007302), (1157, 769624), (1513, 588536), (1768, 503651), (2314, 384812), (3026, 294268), (4628, 192406), (5659, 157352), (6052, 147134), (9256, 96203), (11318, 78676), (12104, 73567), (19669, 45272), (22636, 39338)]