261993456

素因数分解:

$2^4\times 3^2\times {\mathrm{151}}^1\times {\mathrm{12049}}^1$

素因数の和:12214

約数の個数: 60

約数和(自身を含む): 738134800

約数和(自身を除く): 476141344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 151, 302, 453, 604, 906, 1208, 1359, 1812, 2416, 2718, 3624, 5436, 7248, 10872, 12049, 21744, 24098, 36147, 48196, 72294, 96392, 108441, 144588, 192784, 216882, 289176, 433764, 578352, 867528, 1735056, 1819399, 3638798, 5458197, 7277596, 10916394, 14555192, 16374591, 21832788, 29110384, 32749182, 43665576, 65498364, 87331152, 130996728, 261993456]

約数ペア:

[(1, 261993456), (2, 130996728), (3, 87331152), (4, 65498364), (6, 43665576), (8, 32749182), (9, 29110384), (12, 21832788), (16, 16374591), (18, 14555192), (24, 10916394), (36, 7277596), (48, 5458197), (72, 3638798), (144, 1819399), (151, 1735056), (302, 867528), (453, 578352), (604, 433764), (906, 289176), (1208, 216882), (1359, 192784), (1812, 144588), (2416, 108441), (2718, 96392), (3624, 72294), (5436, 48196), (7248, 36147), (10872, 24098), (12049, 21744)]