82801888

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:348

約数の個数: 72

約数和(自身を含む): 180129096

約数和(自身を除く): 97327208

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 169, 208, 244, 251, 338, 416, 488, 502, 676, 793, 976, 1004, 1352, 1586, 1952, 2008, 2704, 3172, 3263, 4016, 5408, 6344, 6526, 8032, 10309, 12688, 13052, 15311, 20618, 25376, 26104, 30622, 41236, 42419, 52208, 61244, 82472, 84838, 104416, 122488, 164944, 169676, 199043, 244976, 329888, 339352, 398086, 489952, 678704, 796172, 1357408, 1592344, 2587559, 3184688, 5175118, 6369376, 10350236, 20700472, 41400944, 82801888]

約数ペア:

[(1, 82801888), (2, 41400944), (4, 20700472), (8, 10350236), (13, 6369376), (16, 5175118), (26, 3184688), (32, 2587559), (52, 1592344), (61, 1357408), (104, 796172), (122, 678704), (169, 489952), (208, 398086), (244, 339352), (251, 329888), (338, 244976), (416, 199043), (488, 169676), (502, 164944), (676, 122488), (793, 104416), (976, 84838), (1004, 82472), (1352, 61244), (1586, 52208), (1952, 42419), (2008, 41236), (2704, 30622), (3172, 26104), (3263, 25376), (4016, 20618), (5408, 15311), (6344, 13052), (6526, 12688), (8032, 10309)]