2515779721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1543}}^1$

素因数の和:1646

約数の個数: 64

約数和(自身を含む): 3486228480

約数和(自身を除く): 970448759

約数列:

[1, 7, 13, 19, 23, 41, 91, 133, 161, 247, 287, 299, 437, 533, 779, 943, 1543, 1729, 2093, 3059, 3731, 5453, 5681, 6601, 10127, 10801, 12259, 17917, 20059, 29317, 35489, 39767, 63263, 70889, 85813, 125419, 140413, 205219, 232921, 248423, 381121, 442841, 461357, 674291, 822419, 1201997, 1455049, 1630447, 2667847, 3229499, 4720037, 5756933, 8413979, 8765783, 10185343, 15625961, 18915637, 27645931, 61360481, 109381727, 132409459, 193521517, 359397103, 2515779721]

約数ペア:

[(1, 2515779721), (7, 359397103), (13, 193521517), (19, 132409459), (23, 109381727), (41, 61360481), (91, 27645931), (133, 18915637), (161, 15625961), (247, 10185343), (287, 8765783), (299, 8413979), (437, 5756933), (533, 4720037), (779, 3229499), (943, 2667847), (1543, 1630447), (1729, 1455049), (2093, 1201997), (3059, 822419), (3731, 674291), (5453, 461357), (5681, 442841), (6601, 381121), (10127, 248423), (10801, 232921), (12259, 205219), (17917, 140413), (20059, 125419), (29317, 85813), (35489, 70889), (39767, 63263)]