18247776625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{9859}}^1$

素因数の和:9971

約数の個数: 64

約数和(自身を含む): 26357909760

約数和(自身を除く): 8110133135

約数列:

[1, 5, 13, 17, 25, 65, 67, 85, 125, 221, 325, 335, 425, 871, 1105, 1139, 1625, 1675, 2125, 4355, 5525, 5695, 8375, 9859, 14807, 21775, 27625, 28475, 49295, 74035, 108875, 128167, 142375, 167603, 246475, 370175, 640835, 660553, 838015, 1232375, 1850875, 2178839, 3204175, 3302765, 4190075, 8587189, 10894195, 11229401, 16020875, 16513825, 20950375, 42935945, 54470975, 56147005, 82569125, 145982213, 214679725, 272354875, 280735025, 729911065, 1073398625, 1403675125, 3649555325, 18247776625]

約数ペア:

[(1, 18247776625), (5, 3649555325), (13, 1403675125), (17, 1073398625), (25, 729911065), (65, 280735025), (67, 272354875), (85, 214679725), (125, 145982213), (221, 82569125), (325, 56147005), (335, 54470975), (425, 42935945), (871, 20950375), (1105, 16513825), (1139, 16020875), (1625, 11229401), (1675, 10894195), (2125, 8587189), (4355, 4190075), (5525, 3302765), (5695, 3204175), (8375, 2178839), (9859, 1850875), (14807, 1232375), (21775, 838015), (27625, 660553), (28475, 640835), (49295, 370175), (74035, 246475), (108875, 167603), (128167, 142375)]