72655856

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:526

約数の個数: 80

約数和(自身を含む): 174988800

約数和(自身を除く): 102332944

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 139, 182, 208, 278, 359, 364, 556, 718, 728, 973, 1112, 1436, 1456, 1807, 1946, 2224, 2513, 2872, 3614, 3892, 4667, 5026, 5744, 7228, 7784, 9334, 10052, 12649, 14456, 15568, 18668, 20104, 25298, 28912, 32669, 37336, 40208, 49901, 50596, 65338, 74672, 99802, 101192, 130676, 199604, 202384, 261352, 349307, 399208, 522704, 648713, 698614, 798416, 1297426, 1397228, 2594852, 2794456, 4540991, 5189704, 5588912, 9081982, 10379408, 18163964, 36327928, 72655856]

約数ペア:

[(1, 72655856), (2, 36327928), (4, 18163964), (7, 10379408), (8, 9081982), (13, 5588912), (14, 5189704), (16, 4540991), (26, 2794456), (28, 2594852), (52, 1397228), (56, 1297426), (91, 798416), (104, 698614), (112, 648713), (139, 522704), (182, 399208), (208, 349307), (278, 261352), (359, 202384), (364, 199604), (556, 130676), (718, 101192), (728, 99802), (973, 74672), (1112, 65338), (1436, 50596), (1456, 49901), (1807, 40208), (1946, 37336), (2224, 32669), (2513, 28912), (2872, 25298), (3614, 20104), (3892, 18668), (4667, 15568), (5026, 14456), (5744, 12649), (7228, 10052), (7784, 9334)]