51723490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{503}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 115831296

約数和(自身を除く): 64107806

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 113, 130, 182, 226, 455, 503, 565, 791, 910, 1006, 1130, 1469, 1582, 2515, 2938, 3521, 3955, 5030, 6539, 7042, 7345, 7910, 10283, 13078, 14690, 17605, 20566, 32695, 35210, 45773, 51415, 56839, 65390, 91546, 102830, 113678, 228865, 284195, 397873, 457730, 568390, 738907, 795746, 1477814, 1989365, 3694535, 3978730, 5172349, 7389070, 10344698, 25861745, 51723490]

約数ペア:

[(1, 51723490), (2, 25861745), (5, 10344698), (7, 7389070), (10, 5172349), (13, 3978730), (14, 3694535), (26, 1989365), (35, 1477814), (65, 795746), (70, 738907), (91, 568390), (113, 457730), (130, 397873), (182, 284195), (226, 228865), (455, 113678), (503, 102830), (565, 91546), (791, 65390), (910, 56839), (1006, 51415), (1130, 45773), (1469, 35210), (1582, 32695), (2515, 20566), (2938, 17605), (3521, 14690), (3955, 13078), (5030, 10283), (6539, 7910), (7042, 7345)]