618933185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{967}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 822877440

約数和(自身を除く): 203944255

約数列:

[1, 5, 13, 43, 65, 215, 229, 559, 967, 1145, 2795, 2977, 4835, 9847, 12571, 14885, 41581, 49235, 62855, 128011, 207905, 221443, 540553, 640055, 1107215, 2702765, 2878759, 9522049, 14393795, 47610245, 123786637, 618933185]

約数ペア:

[(1, 618933185), (5, 123786637), (13, 47610245), (43, 14393795), (65, 9522049), (215, 2878759), (229, 2702765), (559, 1107215), (967, 640055), (1145, 540553), (2795, 221443), (2977, 207905), (4835, 128011), (9847, 62855), (12571, 49235), (14885, 41581)]