17990971635

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{248683}}^1$

素因数の和:248764

約数の個数: 64

約数和(自身を含む): 36096979968

約数和(自身を除く): 18106008333

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 53, 65, 91, 105, 159, 195, 265, 273, 371, 455, 689, 795, 1113, 1365, 1855, 2067, 3445, 4823, 5565, 10335, 14469, 24115, 72345, 248683, 746049, 1243415, 1740781, 3232879, 3730245, 5222343, 8703905, 9698637, 13180199, 16164395, 22630153, 26111715, 39540597, 48493185, 65900995, 67890459, 92261393, 113150765, 171342587, 197702985, 276784179, 339452295, 461306965, 514027761, 856712935, 1199398109, 1383920895, 2570138805, 3598194327, 5996990545, 17990971635]

約数ペア:

[(1, 17990971635), (3, 5996990545), (5, 3598194327), (7, 2570138805), (13, 1383920895), (15, 1199398109), (21, 856712935), (35, 514027761), (39, 461306965), (53, 339452295), (65, 276784179), (91, 197702985), (105, 171342587), (159, 113150765), (195, 92261393), (265, 67890459), (273, 65900995), (371, 48493185), (455, 39540597), (689, 26111715), (795, 22630153), (1113, 16164395), (1365, 13180199), (1855, 9698637), (2067, 8703905), (3445, 5222343), (4823, 3730245), (5565, 3232879), (10335, 1740781), (14469, 1243415), (24115, 746049), (72345, 248683)]