72345878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 130277376

約数和(自身を除く): 57931498

約数列:

[1, 2, 11, 22, 31, 37, 47, 61, 62, 74, 94, 122, 341, 407, 517, 671, 682, 814, 1034, 1147, 1342, 1457, 1739, 1891, 2257, 2294, 2867, 2914, 3478, 3782, 4514, 5734, 12617, 16027, 19129, 20801, 24827, 25234, 31537, 32054, 38258, 41602, 49654, 53909, 63074, 69967, 88877, 106079, 107818, 139934, 177754, 212158, 592999, 769637, 977647, 1166869, 1185998, 1539274, 1955294, 2333738, 3288449, 6576898, 36172939, 72345878]

約数ペア:

[(1, 72345878), (2, 36172939), (11, 6576898), (22, 3288449), (31, 2333738), (37, 1955294), (47, 1539274), (61, 1185998), (62, 1166869), (74, 977647), (94, 769637), (122, 592999), (341, 212158), (407, 177754), (517, 139934), (671, 107818), (682, 106079), (814, 88877), (1034, 69967), (1147, 63074), (1342, 53909), (1457, 49654), (1739, 41602), (1891, 38258), (2257, 32054), (2294, 31537), (2867, 25234), (2914, 24827), (3478, 20801), (3782, 19129), (4514, 16027), (5734, 12617)]