1989291258

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{353}}^1\times {\mathrm{1321}}^1$

素因数の和:1764

約数の個数: 64

約数和(自身を含む): 4492684800

約数和(自身を除く): 2503393542

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 158, 237, 353, 474, 706, 711, 1059, 1321, 1422, 2118, 2133, 2642, 3177, 3963, 4266, 6354, 7926, 9531, 11889, 19062, 23778, 27887, 35667, 55774, 71334, 83661, 104359, 167322, 208718, 250983, 313077, 466313, 501966, 626154, 752949, 932626, 939231, 1398939, 1505898, 1878462, 2797878, 2817693, 4196817, 5635386, 8393634, 12590451, 25180902, 36838727, 73677454, 110516181, 221032362, 331548543, 663097086, 994645629, 1989291258]

約数ペア:

[(1, 1989291258), (2, 994645629), (3, 663097086), (6, 331548543), (9, 221032362), (18, 110516181), (27, 73677454), (54, 36838727), (79, 25180902), (158, 12590451), (237, 8393634), (353, 5635386), (474, 4196817), (706, 2817693), (711, 2797878), (1059, 1878462), (1321, 1505898), (1422, 1398939), (2118, 939231), (2133, 932626), (2642, 752949), (3177, 626154), (3963, 501966), (4266, 466313), (6354, 313077), (7926, 250983), (9531, 208718), (11889, 167322), (19062, 104359), (23778, 83661), (27887, 71334), (35667, 55774)]