638284656

素因数分解:

$2^4\times 3^1\times {\mathrm{59}}^1\times {\mathrm{225383}}^1$

素因数の和:225453

約数の個数: 40

約数和(自身を含む): 1676856960

約数和(自身を除く): 1038572304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 59, 118, 177, 236, 354, 472, 708, 944, 1416, 2832, 225383, 450766, 676149, 901532, 1352298, 1803064, 2704596, 3606128, 5409192, 10818384, 13297597, 26595194, 39892791, 53190388, 79785582, 106380776, 159571164, 212761552, 319142328, 638284656]

約数ペア:

[(1, 638284656), (2, 319142328), (3, 212761552), (4, 159571164), (6, 106380776), (8, 79785582), (12, 53190388), (16, 39892791), (24, 26595194), (48, 13297597), (59, 10818384), (118, 5409192), (177, 3606128), (236, 2704596), (354, 1803064), (472, 1352298), (708, 901532), (944, 676149), (1416, 450766), (2832, 225383)]