83251870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 168848064

約数和(自身を除く): 85596194

約数列:

[1, 2, 5, 10, 13, 26, 43, 53, 65, 86, 106, 130, 215, 265, 281, 430, 530, 559, 562, 689, 1118, 1378, 1405, 2279, 2795, 2810, 3445, 3653, 4558, 5590, 6890, 7306, 11395, 12083, 14893, 18265, 22790, 24166, 29627, 29786, 36530, 59254, 60415, 74465, 120830, 148135, 148930, 157079, 193609, 296270, 314158, 387218, 640399, 785395, 968045, 1280798, 1570790, 1936090, 3201995, 6403990, 8325187, 16650374, 41625935, 83251870]

約数ペア:

[(1, 83251870), (2, 41625935), (5, 16650374), (10, 8325187), (13, 6403990), (26, 3201995), (43, 1936090), (53, 1570790), (65, 1280798), (86, 968045), (106, 785395), (130, 640399), (215, 387218), (265, 314158), (281, 296270), (430, 193609), (530, 157079), (559, 148930), (562, 148135), (689, 120830), (1118, 74465), (1378, 60415), (1405, 59254), (2279, 36530), (2795, 29786), (2810, 29627), (3445, 24166), (3653, 22790), (4558, 18265), (5590, 14893), (6890, 12083), (7306, 11395)]