90984425

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^2\times {\mathrm{257}}^1$

素因数の和:315

約数の個数: 54

約数和(自身を含む): 139957002

約数和(自身を除く): 48972577

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 175, 245, 257, 289, 425, 595, 833, 1225, 1285, 1445, 1799, 2023, 2975, 4165, 4369, 6425, 7225, 8995, 10115, 12593, 14161, 20825, 21845, 30583, 44975, 50575, 62965, 70805, 74273, 109225, 152915, 214081, 314825, 354025, 371365, 519911, 764575, 1070405, 1856825, 2599555, 3639377, 5352025, 12997775, 18196885, 90984425]

約数ペア:

[(1, 90984425), (5, 18196885), (7, 12997775), (17, 5352025), (25, 3639377), (35, 2599555), (49, 1856825), (85, 1070405), (119, 764575), (175, 519911), (245, 371365), (257, 354025), (289, 314825), (425, 214081), (595, 152915), (833, 109225), (1225, 74273), (1285, 70805), (1445, 62965), (1799, 50575), (2023, 44975), (2975, 30583), (4165, 21845), (4369, 20825), (6425, 14161), (7225, 12593), (8995, 10115)]