72942205

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 102643200

約数和(自身を除く): 29700995

約数列:

[1, 5, 7, 35, 71, 149, 197, 355, 497, 745, 985, 1043, 1379, 2485, 5215, 6895, 10579, 13987, 29353, 52895, 69935, 74053, 97909, 146765, 205471, 370265, 489545, 1027355, 2084063, 10420315, 14588441, 72942205]

約数ペア:

[(1, 72942205), (5, 14588441), (7, 10420315), (35, 2084063), (71, 1027355), (149, 489545), (197, 370265), (355, 205471), (497, 146765), (745, 97909), (985, 74053), (1043, 69935), (1379, 52895), (2485, 29353), (5215, 13987), (6895, 10579)]