81879378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2797}}^1$

素因数の和:2867

約数の個数: 64

約数和(自身を含む): 203067648

約数和(自身を除く): 121188270

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 41, 42, 51, 82, 102, 119, 123, 238, 246, 287, 357, 574, 697, 714, 861, 1394, 1722, 2091, 2797, 4182, 4879, 5594, 8391, 9758, 14637, 16782, 19579, 29274, 39158, 47549, 58737, 95098, 114677, 117474, 142647, 229354, 285294, 332843, 344031, 665686, 688062, 802739, 998529, 1605478, 1949509, 1997058, 2408217, 3899018, 4816434, 5848527, 11697054, 13646563, 27293126, 40939689, 81879378]

約数ペア:

[(1, 81879378), (2, 40939689), (3, 27293126), (6, 13646563), (7, 11697054), (14, 5848527), (17, 4816434), (21, 3899018), (34, 2408217), (41, 1997058), (42, 1949509), (51, 1605478), (82, 998529), (102, 802739), (119, 688062), (123, 665686), (238, 344031), (246, 332843), (287, 285294), (357, 229354), (574, 142647), (697, 117474), (714, 114677), (861, 95098), (1394, 58737), (1722, 47549), (2091, 39158), (2797, 29274), (4182, 19579), (4879, 16782), (5594, 14637), (8391, 9758)]