20171227832

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{14831}}^1$

素因数の和:15156

約数の個数: 64

約数和(自身を含む): 43784064000

約数和(自身を除く): 23612836168

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 163, 298, 326, 596, 652, 1043, 1141, 1192, 1304, 2086, 2282, 4172, 4564, 8344, 9128, 14831, 24287, 29662, 48574, 59324, 97148, 103817, 118648, 170009, 194296, 207634, 340018, 415268, 680036, 830536, 1360072, 2209819, 2417453, 4419638, 4834906, 8839276, 9669812, 15468733, 16922171, 17678552, 19339624, 30937466, 33844342, 61874932, 67688684, 123749864, 135377368, 360200497, 720400994, 1440801988, 2521403479, 2881603976, 5042806958, 10085613916, 20171227832]

約数ペア:

[(1, 20171227832), (2, 10085613916), (4, 5042806958), (7, 2881603976), (8, 2521403479), (14, 1440801988), (28, 720400994), (56, 360200497), (149, 135377368), (163, 123749864), (298, 67688684), (326, 61874932), (596, 33844342), (652, 30937466), (1043, 19339624), (1141, 17678552), (1192, 16922171), (1304, 15468733), (2086, 9669812), (2282, 8839276), (4172, 4834906), (4564, 4419638), (8344, 2417453), (9128, 2209819), (14831, 1360072), (24287, 830536), (29662, 680036), (48574, 415268), (59324, 340018), (97148, 207634), (103817, 194296), (118648, 170009)]