28478830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{123821}}^1$

素因数の和:123851

約数の個数: 16

約数和(自身を含む): 53491104

約数和(自身を除く): 25012274

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 123821, 247642, 619105, 1238210, 2847883, 5695766, 14239415, 28478830]

約数ペア:

[(1, 28478830), (2, 14239415), (5, 5695766), (10, 2847883), (23, 1238210), (46, 619105), (115, 247642), (230, 123821)]