28471430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1041

約数の個数: 48

約数和(自身を含む): 58817664

約数和(自身を除く): 30346234

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 845, 991, 1105, 1690, 1982, 2210, 2873, 4955, 5746, 9910, 12883, 14365, 16847, 25766, 28730, 33694, 64415, 84235, 128830, 167479, 168470, 219011, 334958, 438022, 837395, 1095055, 1674790, 2190110, 2847143, 5694286, 14235715, 28471430]

約数ペア:

[(1, 28471430), (2, 14235715), (5, 5694286), (10, 2847143), (13, 2190110), (17, 1674790), (26, 1095055), (34, 837395), (65, 438022), (85, 334958), (130, 219011), (169, 168470), (170, 167479), (221, 128830), (338, 84235), (442, 64415), (845, 33694), (991, 28730), (1105, 25766), (1690, 16847), (1982, 14365), (2210, 12883), (2873, 9910), (4955, 5746)]