16778450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 34122816

約数和(自身を除く): 17344366

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 83, 130, 166, 311, 325, 415, 622, 650, 830, 1079, 1555, 2075, 2158, 3110, 4043, 4150, 5395, 7775, 8086, 10790, 15550, 20215, 25813, 26975, 40430, 51626, 53950, 101075, 129065, 202150, 258130, 335569, 645325, 671138, 1290650, 1677845, 3355690, 8389225, 16778450]

約数ペア:

[(1, 16778450), (2, 8389225), (5, 3355690), (10, 1677845), (13, 1290650), (25, 671138), (26, 645325), (50, 335569), (65, 258130), (83, 202150), (130, 129065), (166, 101075), (311, 53950), (325, 51626), (415, 40430), (622, 26975), (650, 25813), (830, 20215), (1079, 15550), (1555, 10790), (2075, 8086), (2158, 7775), (3110, 5395), (4043, 4150)]