201725945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{773}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 265265280

約数和(自身を除く): 63539335

約数列:

[1, 5, 19, 41, 67, 95, 205, 335, 773, 779, 1273, 2747, 3865, 3895, 6365, 13735, 14687, 31693, 51791, 52193, 73435, 158465, 258955, 260965, 602167, 984029, 2123431, 3010835, 4920145, 10617155, 40345189, 201725945]

約数ペア:

[(1, 201725945), (5, 40345189), (19, 10617155), (41, 4920145), (67, 3010835), (95, 2123431), (205, 984029), (335, 602167), (773, 260965), (779, 258955), (1273, 158465), (2747, 73435), (3865, 52193), (3895, 51791), (6365, 31693), (13735, 14687)]