68440788

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{16249}}^1$

素因数の和:16278

約数の個数: 60

約数和(自身を含む): 192692500

約数和(自身を除く): 124251712

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 16249, 32498, 48747, 64996, 97494, 146241, 194988, 211237, 292482, 422474, 438723, 584964, 633711, 844948, 877446, 1267422, 1316169, 1754892, 1901133, 2534844, 2632338, 3802266, 5264676, 5703399, 7604532, 11406798, 17110197, 22813596, 34220394, 68440788]

約数ペア:

[(1, 68440788), (2, 34220394), (3, 22813596), (4, 17110197), (6, 11406798), (9, 7604532), (12, 5703399), (13, 5264676), (18, 3802266), (26, 2632338), (27, 2534844), (36, 1901133), (39, 1754892), (52, 1316169), (54, 1267422), (78, 877446), (81, 844948), (108, 633711), (117, 584964), (156, 438723), (162, 422474), (234, 292482), (324, 211237), (351, 194988), (468, 146241), (702, 97494), (1053, 64996), (1404, 48747), (2106, 32498), (4212, 16249)]