28743702

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 66951360

約数和(自身を除く): 38207658

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 53, 78, 102, 106, 159, 221, 318, 409, 442, 663, 689, 818, 901, 1227, 1326, 1378, 1802, 2067, 2454, 2703, 4134, 5317, 5406, 6953, 10634, 11713, 13906, 15951, 20859, 21677, 23426, 31902, 35139, 41718, 43354, 65031, 70278, 90389, 130062, 180778, 271167, 281801, 368509, 542334, 563602, 737018, 845403, 1105527, 1690806, 2211054, 4790617, 9581234, 14371851, 28743702]

約数ペア:

[(1, 28743702), (2, 14371851), (3, 9581234), (6, 4790617), (13, 2211054), (17, 1690806), (26, 1105527), (34, 845403), (39, 737018), (51, 563602), (53, 542334), (78, 368509), (102, 281801), (106, 271167), (159, 180778), (221, 130062), (318, 90389), (409, 70278), (442, 65031), (663, 43354), (689, 41718), (818, 35139), (901, 31902), (1227, 23426), (1326, 21677), (1378, 20859), (1802, 15951), (2067, 13906), (2454, 11713), (2703, 10634), (4134, 6953), (5317, 5406)]