156861978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{12491}}^1$

素因数の和:12539

約数の個数: 64

約数和(自身を含む): 402941952

約数和(自身を除く): 246079974

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 23, 26, 39, 42, 46, 69, 78, 91, 138, 161, 182, 273, 299, 322, 483, 546, 598, 897, 966, 1794, 2093, 4186, 6279, 12491, 12558, 24982, 37473, 74946, 87437, 162383, 174874, 262311, 287293, 324766, 487149, 524622, 574586, 861879, 974298, 1136681, 1723758, 2011051, 2273362, 3410043, 3734809, 4022102, 6033153, 6820086, 7469618, 11204427, 12066306, 22408854, 26143663, 52287326, 78430989, 156861978]

約数ペア:

[(1, 156861978), (2, 78430989), (3, 52287326), (6, 26143663), (7, 22408854), (13, 12066306), (14, 11204427), (21, 7469618), (23, 6820086), (26, 6033153), (39, 4022102), (42, 3734809), (46, 3410043), (69, 2273362), (78, 2011051), (91, 1723758), (138, 1136681), (161, 974298), (182, 861879), (273, 574586), (299, 524622), (322, 487149), (483, 324766), (546, 287293), (598, 262311), (897, 174874), (966, 162383), (1794, 87437), (2093, 74946), (4186, 37473), (6279, 24982), (12491, 12558)]