161921928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{31091}}^1$

素因数の和:31138

約数の個数: 64

約数和(自身を含む): 477573120

約数和(自身を除く): 315651192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 372, 434, 651, 744, 868, 1302, 1736, 2604, 5208, 31091, 62182, 93273, 124364, 186546, 217637, 248728, 373092, 435274, 652911, 746184, 870548, 963821, 1305822, 1741096, 1927642, 2611644, 2891463, 3855284, 5223288, 5782926, 6746747, 7710568, 11565852, 13493494, 20240241, 23131704, 26986988, 40480482, 53973976, 80960964, 161921928]

約数ペア:

[(1, 161921928), (2, 80960964), (3, 53973976), (4, 40480482), (6, 26986988), (7, 23131704), (8, 20240241), (12, 13493494), (14, 11565852), (21, 7710568), (24, 6746747), (28, 5782926), (31, 5223288), (42, 3855284), (56, 2891463), (62, 2611644), (84, 1927642), (93, 1741096), (124, 1305822), (168, 963821), (186, 870548), (217, 746184), (248, 652911), (372, 435274), (434, 373092), (651, 248728), (744, 217637), (868, 186546), (1302, 124364), (1736, 93273), (2604, 62182), (5208, 31091)]