388949808

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20107}}^1$

素因数の和:20162

約数の個数: 80

約数和(自身を含む): 1117039616

約数和(自身を除く): 728089808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 1209, 1488, 1612, 2418, 3224, 4836, 6448, 9672, 19344, 20107, 40214, 60321, 80428, 120642, 160856, 241284, 261391, 321712, 482568, 522782, 623317, 784173, 965136, 1045564, 1246634, 1568346, 1869951, 2091128, 2493268, 3136692, 3739902, 4182256, 4986536, 6273384, 7479804, 8103121, 9973072, 12546768, 14959608, 16206242, 24309363, 29919216, 32412484, 48618726, 64824968, 97237452, 129649936, 194474904, 388949808]

約数ペア:

[(1, 388949808), (2, 194474904), (3, 129649936), (4, 97237452), (6, 64824968), (8, 48618726), (12, 32412484), (13, 29919216), (16, 24309363), (24, 16206242), (26, 14959608), (31, 12546768), (39, 9973072), (48, 8103121), (52, 7479804), (62, 6273384), (78, 4986536), (93, 4182256), (104, 3739902), (124, 3136692), (156, 2493268), (186, 2091128), (208, 1869951), (248, 1568346), (312, 1246634), (372, 1045564), (403, 965136), (496, 784173), (624, 623317), (744, 522782), (806, 482568), (1209, 321712), (1488, 261391), (1612, 241284), (2418, 160856), (3224, 120642), (4836, 80428), (6448, 60321), (9672, 40214), (19344, 20107)]