640408451806

素因数分解:

$2^1\times {\mathrm{211}}^1\times {\mathrm{347}}^1\times {\mathrm{787}}^1\times {\mathrm{5557}}^1$

素因数の和:6904

約数の個数: 32

約数和(自身を含む): 969351126912

約数和(自身を除く): 328942675106

約数列:

[1, 2, 211, 347, 422, 694, 787, 1574, 5557, 11114, 73217, 146434, 166057, 273089, 332114, 546178, 1172527, 1928279, 2345054, 3856558, 4373359, 8746718, 57621779, 115243558, 406866869, 813733738, 922778749, 1517555573, 1845557498, 3035111146, 320204225903, 640408451806]

約数ペア:

[(1, 640408451806), (2, 320204225903), (211, 3035111146), (347, 1845557498), (422, 1517555573), (694, 922778749), (787, 813733738), (1574, 406866869), (5557, 115243558), (11114, 57621779), (73217, 8746718), (146434, 4373359), (166057, 3856558), (273089, 2345054), (332114, 1928279), (546178, 1172527)]