256111596

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{32191}}^1$

素因数の和:32231

約数の個数: 72

約数和(自身を含む): 738226944

約数和(自身を除く): 482115348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3978, 7956, 32191, 64382, 96573, 128764, 193146, 289719, 386292, 418483, 547247, 579438, 836966, 1094494, 1158876, 1255449, 1641741, 1673932, 2188988, 2510898, 3283482, 3766347, 4925223, 5021796, 6566964, 7114211, 7532694, 9850446, 14228422, 15065388, 19700892, 21342633, 28456844, 42685266, 64027899, 85370532, 128055798, 256111596]

約数ペア:

[(1, 256111596), (2, 128055798), (3, 85370532), (4, 64027899), (6, 42685266), (9, 28456844), (12, 21342633), (13, 19700892), (17, 15065388), (18, 14228422), (26, 9850446), (34, 7532694), (36, 7114211), (39, 6566964), (51, 5021796), (52, 4925223), (68, 3766347), (78, 3283482), (102, 2510898), (117, 2188988), (153, 1673932), (156, 1641741), (204, 1255449), (221, 1158876), (234, 1094494), (306, 836966), (442, 579438), (468, 547247), (612, 418483), (663, 386292), (884, 289719), (1326, 193146), (1989, 128764), (2652, 96573), (3978, 64382), (7956, 32191)]