213787028

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{45179}}^1$

素因数の和:45216

約数の個数: 36

約数和(自身を含む): 463004640

約数和(自身を除く): 249217612

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4732, 45179, 90358, 180716, 316253, 587327, 632506, 1174654, 1265012, 2349308, 4111289, 7635251, 8222578, 15270502, 16445156, 30541004, 53446757, 106893514, 213787028]

約数ペア:

[(1, 213787028), (2, 106893514), (4, 53446757), (7, 30541004), (13, 16445156), (14, 15270502), (26, 8222578), (28, 7635251), (52, 4111289), (91, 2349308), (169, 1265012), (182, 1174654), (338, 632506), (364, 587327), (676, 316253), (1183, 180716), (2366, 90358), (4732, 45179)]