251313816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{61961}}^1$

素因数の和:61996

約数の個数: 48

約数和(自身を含む): 680342760

約数和(自身を除く): 429028944

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 61961, 123922, 185883, 247844, 371766, 495688, 743532, 805493, 1487064, 1610986, 2416479, 3221972, 4832958, 6443944, 9665916, 10471409, 19331832, 20942818, 31414227, 41885636, 62828454, 83771272, 125656908, 251313816]

約数ペア:

[(1, 251313816), (2, 125656908), (3, 83771272), (4, 62828454), (6, 41885636), (8, 31414227), (12, 20942818), (13, 19331832), (24, 10471409), (26, 9665916), (39, 6443944), (52, 4832958), (78, 3221972), (104, 2416479), (156, 1610986), (169, 1487064), (312, 805493), (338, 743532), (507, 495688), (676, 371766), (1014, 247844), (1352, 185883), (2028, 123922), (4056, 61961)]