31981572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{709}}^1$

素因数の和:905

約数の個数: 72

約数和(自身を含む): 93038400

約数和(自身を除く): 61056828

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 179, 252, 358, 537, 709, 716, 1074, 1253, 1418, 1611, 2127, 2148, 2506, 2836, 3222, 3759, 4254, 4963, 5012, 6381, 6444, 7518, 8508, 9926, 11277, 12762, 14889, 15036, 19852, 22554, 25524, 29778, 44667, 45108, 59556, 89334, 126911, 178668, 253822, 380733, 507644, 761466, 888377, 1142199, 1522932, 1776754, 2284398, 2665131, 3553508, 4568796, 5330262, 7995393, 10660524, 15990786, 31981572]

約数ペア:

[(1, 31981572), (2, 15990786), (3, 10660524), (4, 7995393), (6, 5330262), (7, 4568796), (9, 3553508), (12, 2665131), (14, 2284398), (18, 1776754), (21, 1522932), (28, 1142199), (36, 888377), (42, 761466), (63, 507644), (84, 380733), (126, 253822), (179, 178668), (252, 126911), (358, 89334), (537, 59556), (709, 45108), (716, 44667), (1074, 29778), (1253, 25524), (1418, 22554), (1611, 19852), (2127, 15036), (2148, 14889), (2506, 12762), (2836, 11277), (3222, 9926), (3759, 8508), (4254, 7518), (4963, 6444), (5012, 6381)]