199616128

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:633

約数の個数: 64

約数和(自身を含む): 421668000

約数和(自身を除く): 222051872

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 211, 304, 389, 422, 608, 778, 844, 1216, 1556, 1688, 2432, 3112, 3376, 4009, 6224, 6752, 7391, 8018, 12448, 13504, 14782, 16036, 24896, 27008, 29564, 32072, 49792, 59128, 64144, 82079, 118256, 128288, 164158, 236512, 256576, 328316, 473024, 513152, 656632, 946048, 1313264, 1559501, 2626528, 3119002, 5253056, 6238004, 10506112, 12476008, 24952016, 49904032, 99808064, 199616128]

約数ペア:

[(1, 199616128), (2, 99808064), (4, 49904032), (8, 24952016), (16, 12476008), (19, 10506112), (32, 6238004), (38, 5253056), (64, 3119002), (76, 2626528), (128, 1559501), (152, 1313264), (211, 946048), (304, 656632), (389, 513152), (422, 473024), (608, 328316), (778, 256576), (844, 236512), (1216, 164158), (1556, 128288), (1688, 118256), (2432, 82079), (3112, 64144), (3376, 59128), (4009, 49792), (6224, 32072), (6752, 29564), (7391, 27008), (8018, 24896), (12448, 16036), (13504, 14782)]