828458425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{863}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 1131356160

約数和(自身を除く): 302897735

約数列:

[1, 5, 19, 25, 43, 47, 95, 215, 235, 475, 817, 863, 893, 1075, 1175, 2021, 4085, 4315, 4465, 10105, 16397, 20425, 21575, 22325, 37109, 38399, 40561, 50525, 81985, 185545, 191995, 202805, 409925, 705071, 770659, 927725, 959975, 1014025, 1744123, 3525355, 3853295, 8720615, 17626775, 19266475, 33138337, 43603075, 165691685, 828458425]

約数ペア:

[(1, 828458425), (5, 165691685), (19, 43603075), (25, 33138337), (43, 19266475), (47, 17626775), (95, 8720615), (215, 3853295), (235, 3525355), (475, 1744123), (817, 1014025), (863, 959975), (893, 927725), (1075, 770659), (1175, 705071), (2021, 409925), (4085, 202805), (4315, 191995), (4465, 185545), (10105, 81985), (16397, 50525), (20425, 40561), (21575, 38399), (22325, 37109)]