208859648

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{13159}}^1$

素因数の和:13208

約数の個数: 40

約数和(自身を含む): 430805760

約数和(自身を除く): 221946112

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 13159, 15872, 26318, 52636, 105272, 210544, 407929, 421088, 815858, 842176, 1631716, 1684352, 3263432, 3368704, 6526864, 6737408, 13053728, 26107456, 52214912, 104429824, 208859648]

約数ペア:

[(1, 208859648), (2, 104429824), (4, 52214912), (8, 26107456), (16, 13053728), (31, 6737408), (32, 6526864), (62, 3368704), (64, 3263432), (124, 1684352), (128, 1631716), (248, 842176), (256, 815858), (496, 421088), (512, 407929), (992, 210544), (1984, 105272), (3968, 52636), (7936, 26318), (13159, 15872)]