2561976

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 7380000

約数和(自身を除く): 4818024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 87, 108, 116, 174, 216, 232, 261, 348, 409, 522, 696, 783, 818, 1044, 1227, 1566, 1636, 2088, 2454, 3132, 3272, 3681, 4908, 6264, 7362, 9816, 11043, 11861, 14724, 22086, 23722, 29448, 35583, 44172, 47444, 71166, 88344, 94888, 106749, 142332, 213498, 284664, 320247, 426996, 640494, 853992, 1280988, 2561976]

約数ペア:

[(1, 2561976), (2, 1280988), (3, 853992), (4, 640494), (6, 426996), (8, 320247), (9, 284664), (12, 213498), (18, 142332), (24, 106749), (27, 94888), (29, 88344), (36, 71166), (54, 47444), (58, 44172), (72, 35583), (87, 29448), (108, 23722), (116, 22086), (174, 14724), (216, 11861), (232, 11043), (261, 9816), (348, 7362), (409, 6264), (522, 4908), (696, 3681), (783, 3272), (818, 3132), (1044, 2454), (1227, 2088), (1566, 1636)]