7940972

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:738

約数の個数: 36

約数和(自身を含む): 15956136

約数和(自身を除く): 8015164

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 338, 442, 676, 691, 884, 1382, 2764, 2873, 5746, 8983, 11492, 11747, 17966, 23494, 35932, 46988, 116779, 152711, 233558, 305422, 467116, 610844, 1985243, 3970486, 7940972]

約数ペア:

[(1, 7940972), (2, 3970486), (4, 1985243), (13, 610844), (17, 467116), (26, 305422), (34, 233558), (52, 152711), (68, 116779), (169, 46988), (221, 35932), (338, 23494), (442, 17966), (676, 11747), (691, 11492), (884, 8983), (1382, 5746), (2764, 2873)]