72751236481

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 93308313600

約数和(自身を除く): 20557077119

約数列:

[1, 7, 11, 61, 77, 229, 239, 283, 427, 671, 1603, 1673, 1981, 2519, 2629, 3113, 4697, 13969, 14579, 17263, 17633, 18403, 21791, 54731, 64807, 67637, 97783, 102053, 120841, 153659, 160369, 189893, 383117, 453649, 473459, 602041, 712877, 744007, 1075613, 1122583, 1329251, 3338591, 3953227, 4125857, 4214287, 4990139, 5208049, 15488873, 23370137, 27672589, 28880999, 36724501, 43485497, 45384427, 108422111, 170377603, 257071507, 304398479, 317690989, 944821253, 1192643221, 6613748771, 10393033783, 72751236481]

約数ペア:

[(1, 72751236481), (7, 10393033783), (11, 6613748771), (61, 1192643221), (77, 944821253), (229, 317690989), (239, 304398479), (283, 257071507), (427, 170377603), (671, 108422111), (1603, 45384427), (1673, 43485497), (1981, 36724501), (2519, 28880999), (2629, 27672589), (3113, 23370137), (4697, 15488873), (13969, 5208049), (14579, 4990139), (17263, 4214287), (17633, 4125857), (18403, 3953227), (21791, 3338591), (54731, 1329251), (64807, 1122583), (67637, 1075613), (97783, 744007), (102053, 712877), (120841, 602041), (153659, 473459), (160369, 453649), (189893, 383117)]