28249795

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 40134528

約数和(自身を除く): 11884733

約数列:

[1, 5, 7, 35, 53, 97, 157, 265, 371, 485, 679, 785, 1099, 1855, 3395, 5141, 5495, 8321, 15229, 25705, 35987, 41605, 58247, 76145, 106603, 179935, 291235, 533015, 807137, 4035685, 5649959, 28249795]

約数ペア:

[(1, 28249795), (5, 5649959), (7, 4035685), (35, 807137), (53, 533015), (97, 291235), (157, 179935), (265, 106603), (371, 76145), (485, 58247), (679, 41605), (785, 35987), (1099, 25705), (1855, 15229), (3395, 8321), (5141, 5495)]