213774808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{21191}}^1$

素因数の和:21307

約数の個数: 32

約数和(自身を含む): 436131360

約数和(自身を除く): 222356552

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 194, 388, 776, 1261, 2522, 5044, 10088, 21191, 42382, 84764, 169528, 275483, 550966, 1101932, 2055527, 2203864, 4111054, 8222108, 16444216, 26721851, 53443702, 106887404, 213774808]

約数ペア:

[(1, 213774808), (2, 106887404), (4, 53443702), (8, 26721851), (13, 16444216), (26, 8222108), (52, 4111054), (97, 2203864), (104, 2055527), (194, 1101932), (388, 550966), (776, 275483), (1261, 169528), (2522, 84764), (5044, 42382), (10088, 21191)]