989831505

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{617}}^1$

素因数の和:1090

約数の個数: 64

約数和(自身を含む): 1802384640

約数和(自身を除く): 812553135

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 433, 617, 741, 1235, 1299, 1851, 2165, 3085, 3705, 5629, 6495, 8021, 8227, 9255, 11723, 16887, 24063, 24681, 28145, 35169, 40105, 41135, 58615, 84435, 106951, 120315, 123405, 152399, 175845, 267161, 320853, 457197, 534755, 761995, 801483, 1335805, 1604265, 2285985, 3473093, 4007415, 5076059, 10419279, 15228177, 17365465, 25380295, 52096395, 65988767, 76140885, 197966301, 329943835, 989831505]

約数ペア:

[(1, 989831505), (3, 329943835), (5, 197966301), (13, 76140885), (15, 65988767), (19, 52096395), (39, 25380295), (57, 17365465), (65, 15228177), (95, 10419279), (195, 5076059), (247, 4007415), (285, 3473093), (433, 2285985), (617, 1604265), (741, 1335805), (1235, 801483), (1299, 761995), (1851, 534755), (2165, 457197), (3085, 320853), (3705, 267161), (5629, 175845), (6495, 152399), (8021, 123405), (8227, 120315), (9255, 106951), (11723, 84435), (16887, 58615), (24063, 41135), (24681, 40105), (28145, 35169)]