28951524

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{877}}^1$

素因数の和:1025

約数の個数: 72

約数和(自身を含む): 84372288

約数和(自身を除く): 55420764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 131, 252, 262, 393, 524, 786, 877, 917, 1179, 1572, 1754, 1834, 2358, 2631, 2751, 3508, 3668, 4716, 5262, 5502, 6139, 7893, 8253, 10524, 11004, 12278, 15786, 16506, 18417, 24556, 31572, 33012, 36834, 55251, 73668, 110502, 114887, 221004, 229774, 344661, 459548, 689322, 804209, 1033983, 1378644, 1608418, 2067966, 2412627, 3216836, 4135932, 4825254, 7237881, 9650508, 14475762, 28951524]

約数ペア:

[(1, 28951524), (2, 14475762), (3, 9650508), (4, 7237881), (6, 4825254), (7, 4135932), (9, 3216836), (12, 2412627), (14, 2067966), (18, 1608418), (21, 1378644), (28, 1033983), (36, 804209), (42, 689322), (63, 459548), (84, 344661), (126, 229774), (131, 221004), (252, 114887), (262, 110502), (393, 73668), (524, 55251), (786, 36834), (877, 33012), (917, 31572), (1179, 24556), (1572, 18417), (1754, 16506), (1834, 15786), (2358, 12278), (2631, 11004), (2751, 10524), (3508, 8253), (3668, 7893), (4716, 6139), (5262, 5502)]