660278514

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{2927}}^1$

素因数の和:3111

約数の個数: 64

約数和(自身を含む): 1558351872

約数和(自身を除く): 898073358

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 131, 246, 262, 287, 393, 574, 786, 861, 917, 1722, 1834, 2751, 2927, 5371, 5502, 5854, 8781, 10742, 16113, 17562, 20489, 32226, 37597, 40978, 61467, 75194, 112791, 120007, 122934, 225582, 240014, 360021, 383437, 720042, 766874, 840049, 1150311, 1680098, 2300622, 2520147, 2684059, 5040294, 5368118, 8052177, 15720917, 16104354, 31441834, 47162751, 94325502, 110046419, 220092838, 330139257, 660278514]

約数ペア:

[(1, 660278514), (2, 330139257), (3, 220092838), (6, 110046419), (7, 94325502), (14, 47162751), (21, 31441834), (41, 16104354), (42, 15720917), (82, 8052177), (123, 5368118), (131, 5040294), (246, 2684059), (262, 2520147), (287, 2300622), (393, 1680098), (574, 1150311), (786, 840049), (861, 766874), (917, 720042), (1722, 383437), (1834, 360021), (2751, 240014), (2927, 225582), (5371, 122934), (5502, 120007), (5854, 112791), (8781, 75194), (10742, 61467), (16113, 40978), (17562, 37597), (20489, 32226)]