666571888

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{373}}^1\times {\mathrm{1831}}^1$

素因数の和:2273

約数の個数: 40

約数和(自身を含む): 1316892896

約数和(自身を除く): 650321008

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 373, 488, 746, 976, 1492, 1831, 2984, 3662, 5968, 7324, 14648, 22753, 29296, 45506, 91012, 111691, 182024, 223382, 364048, 446764, 682963, 893528, 1365926, 1787056, 2731852, 5463704, 10927408, 41660743, 83321486, 166642972, 333285944, 666571888]

約数ペア:

[(1, 666571888), (2, 333285944), (4, 166642972), (8, 83321486), (16, 41660743), (61, 10927408), (122, 5463704), (244, 2731852), (373, 1787056), (488, 1365926), (746, 893528), (976, 682963), (1492, 446764), (1831, 364048), (2984, 223382), (3662, 182024), (5968, 111691), (7324, 91012), (14648, 45506), (22753, 29296)]