721929924

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{1163}}^1$

素因数の和:1617

約数の個数: 72

約数和(自身を含む): 1873583712

約数和(自身を除く): 1151653788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 401, 516, 774, 802, 1163, 1203, 1548, 1604, 2326, 2406, 3489, 3609, 4652, 4812, 6978, 7218, 10467, 13956, 14436, 17243, 20934, 34486, 41868, 50009, 51729, 68972, 100018, 103458, 150027, 155187, 200036, 206916, 300054, 310374, 450081, 466363, 600108, 620748, 900162, 932726, 1399089, 1800324, 1865452, 2798178, 4197267, 5596356, 8394534, 16789068, 20053609, 40107218, 60160827, 80214436, 120321654, 180482481, 240643308, 360964962, 721929924]

約数ペア:

[(1, 721929924), (2, 360964962), (3, 240643308), (4, 180482481), (6, 120321654), (9, 80214436), (12, 60160827), (18, 40107218), (36, 20053609), (43, 16789068), (86, 8394534), (129, 5596356), (172, 4197267), (258, 2798178), (387, 1865452), (401, 1800324), (516, 1399089), (774, 932726), (802, 900162), (1163, 620748), (1203, 600108), (1548, 466363), (1604, 450081), (2326, 310374), (2406, 300054), (3489, 206916), (3609, 200036), (4652, 155187), (4812, 150027), (6978, 103458), (7218, 100018), (10467, 68972), (13956, 51729), (14436, 50009), (17243, 41868), (20934, 34486)]