81151644

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1747}}^1$

素因数の和:1847

約数の個数: 72

約数和(自身を含む): 223184640

約数和(自身を除く): 142032996

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 79, 84, 98, 147, 158, 196, 237, 294, 316, 474, 553, 588, 948, 1106, 1659, 1747, 2212, 3318, 3494, 3871, 5241, 6636, 6988, 7742, 10482, 11613, 12229, 15484, 20964, 23226, 24458, 36687, 46452, 48916, 73374, 85603, 138013, 146748, 171206, 256809, 276026, 342412, 414039, 513618, 552052, 828078, 966091, 1027236, 1656156, 1932182, 2898273, 3864364, 5796546, 6762637, 11593092, 13525274, 20287911, 27050548, 40575822, 81151644]

約数ペア:

[(1, 81151644), (2, 40575822), (3, 27050548), (4, 20287911), (6, 13525274), (7, 11593092), (12, 6762637), (14, 5796546), (21, 3864364), (28, 2898273), (42, 1932182), (49, 1656156), (79, 1027236), (84, 966091), (98, 828078), (147, 552052), (158, 513618), (196, 414039), (237, 342412), (294, 276026), (316, 256809), (474, 171206), (553, 146748), (588, 138013), (948, 85603), (1106, 73374), (1659, 48916), (1747, 46452), (2212, 36687), (3318, 24458), (3494, 23226), (3871, 20964), (5241, 15484), (6636, 12229), (6988, 11613), (7742, 10482)]