28787185

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{593}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 42197760

約数和(自身を除く): 13410575

約数列:

[1, 5, 7, 19, 35, 73, 95, 133, 365, 511, 593, 665, 1387, 2555, 2965, 4151, 6935, 9709, 11267, 20755, 43289, 48545, 56335, 78869, 216445, 303023, 394345, 822491, 1515115, 4112455, 5757437, 28787185]

約数ペア:

[(1, 28787185), (5, 5757437), (7, 4112455), (19, 1515115), (35, 822491), (73, 394345), (95, 303023), (133, 216445), (365, 78869), (511, 56335), (593, 48545), (665, 43289), (1387, 20755), (2555, 11267), (2965, 9709), (4151, 6935)]