71928272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5669}}^1$

素因数の和:5751

約数の個数: 40

約数和(自身を含む): 152568360

約数和(自身を除く): 80640088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 5669, 6344, 11338, 12688, 22676, 45352, 73697, 90704, 147394, 294788, 345809, 589576, 691618, 1179152, 1383236, 2766472, 4495517, 5532944, 8991034, 17982068, 35964136, 71928272]

約数ペア:

[(1, 71928272), (2, 35964136), (4, 17982068), (8, 8991034), (13, 5532944), (16, 4495517), (26, 2766472), (52, 1383236), (61, 1179152), (104, 691618), (122, 589576), (208, 345809), (244, 294788), (488, 147394), (793, 90704), (976, 73697), (1586, 45352), (3172, 22676), (5669, 12688), (6344, 11338)]