213539718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:853

約数の個数: 64

約数和(自身を含む): 506327040

約数和(自身を除く): 292787322

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 401, 409, 434, 651, 802, 818, 1203, 1227, 1302, 2406, 2454, 2807, 2863, 5614, 5726, 8421, 8589, 12431, 12679, 16842, 17178, 24862, 25358, 37293, 38037, 74586, 76074, 87017, 88753, 164009, 174034, 177506, 261051, 266259, 328018, 492027, 522102, 532518, 984054, 1148063, 2296126, 3444189, 5084279, 6888378, 10168558, 15252837, 30505674, 35589953, 71179906, 106769859, 213539718]

約数ペア:

[(1, 213539718), (2, 106769859), (3, 71179906), (6, 35589953), (7, 30505674), (14, 15252837), (21, 10168558), (31, 6888378), (42, 5084279), (62, 3444189), (93, 2296126), (186, 1148063), (217, 984054), (401, 532518), (409, 522102), (434, 492027), (651, 328018), (802, 266259), (818, 261051), (1203, 177506), (1227, 174034), (1302, 164009), (2406, 88753), (2454, 87017), (2807, 76074), (2863, 74586), (5614, 38037), (5726, 37293), (8421, 25358), (8589, 24862), (12431, 17178), (12679, 16842)]