66581996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{691}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 134275680

約数和(自身を除く): 67693684

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 109, 218, 221, 436, 442, 691, 884, 1382, 1417, 1853, 2764, 2834, 3706, 5668, 7412, 8983, 11747, 17966, 23494, 24089, 35932, 46988, 48178, 75319, 96356, 150638, 152711, 301276, 305422, 610844, 979147, 1280423, 1958294, 2560846, 3916588, 5121692, 16645499, 33290998, 66581996]

約数ペア:

[(1, 66581996), (2, 33290998), (4, 16645499), (13, 5121692), (17, 3916588), (26, 2560846), (34, 1958294), (52, 1280423), (68, 979147), (109, 610844), (218, 305422), (221, 301276), (436, 152711), (442, 150638), (691, 96356), (884, 75319), (1382, 48178), (1417, 46988), (1853, 35932), (2764, 24089), (2834, 23494), (3706, 17966), (5668, 11747), (7412, 8983)]