816157420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{184651}}^1$

素因数の和:184690

約数の個数: 48

約数和(自身を含む): 1954356768

約数和(自身を除く): 1138199348

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 184651, 369302, 738604, 923255, 1846510, 2400463, 3139067, 3693020, 4800926, 6278134, 9601852, 12002315, 12556268, 15695335, 24004630, 31390670, 40807871, 48009260, 62781340, 81615742, 163231484, 204039355, 408078710, 816157420]

約数ペア:

[(1, 816157420), (2, 408078710), (4, 204039355), (5, 163231484), (10, 81615742), (13, 62781340), (17, 48009260), (20, 40807871), (26, 31390670), (34, 24004630), (52, 15695335), (65, 12556268), (68, 12002315), (85, 9601852), (130, 6278134), (170, 4800926), (221, 3693020), (260, 3139067), (340, 2400463), (442, 1846510), (884, 923255), (1105, 738604), (2210, 369302), (4420, 184651)]