1298722865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 1847577600

約数和(自身を除く): 548854735

約数列:

[1, 5, 11, 19, 53, 55, 95, 131, 179, 209, 265, 583, 655, 895, 1007, 1045, 1441, 1969, 2489, 2915, 3401, 5035, 6943, 7205, 9487, 9845, 11077, 12445, 17005, 23449, 27379, 34715, 37411, 47435, 55385, 76373, 104357, 117245, 131917, 136895, 180253, 187055, 257939, 381865, 445531, 521785, 659585, 901265, 1242797, 1289695, 1451087, 1982783, 2227655, 4900841, 6213985, 7255435, 9913915, 13670767, 23613143, 24504205, 68353835, 118065715, 259744573, 1298722865]

約数ペア:

[(1, 1298722865), (5, 259744573), (11, 118065715), (19, 68353835), (53, 24504205), (55, 23613143), (95, 13670767), (131, 9913915), (179, 7255435), (209, 6213985), (265, 4900841), (583, 2227655), (655, 1982783), (895, 1451087), (1007, 1289695), (1045, 1242797), (1441, 901265), (1969, 659585), (2489, 521785), (2915, 445531), (3401, 381865), (5035, 257939), (6943, 187055), (7205, 180253), (9487, 136895), (9845, 131917), (11077, 117245), (12445, 104357), (17005, 76373), (23449, 55385), (27379, 47435), (34715, 37411)]