83956990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 170698752

約数和(自身を除く): 86741762

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 83, 130, 155, 166, 251, 310, 403, 415, 502, 806, 830, 1079, 1255, 2015, 2158, 2510, 2573, 3263, 4030, 5146, 5395, 6526, 7781, 10790, 12865, 15562, 16315, 20833, 25730, 32630, 33449, 38905, 41666, 66898, 77810, 101153, 104165, 167245, 202306, 208330, 270829, 334490, 505765, 541658, 645823, 1011530, 1291646, 1354145, 2708290, 3229115, 6458230, 8395699, 16791398, 41978495, 83956990]

約数ペア:

[(1, 83956990), (2, 41978495), (5, 16791398), (10, 8395699), (13, 6458230), (26, 3229115), (31, 2708290), (62, 1354145), (65, 1291646), (83, 1011530), (130, 645823), (155, 541658), (166, 505765), (251, 334490), (310, 270829), (403, 208330), (415, 202306), (502, 167245), (806, 104165), (830, 101153), (1079, 77810), (1255, 66898), (2015, 41666), (2158, 38905), (2510, 33449), (2573, 32630), (3263, 25730), (4030, 20833), (5146, 16315), (5395, 15562), (6526, 12865), (7781, 10790)]