251993924

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 580398336

約数和(自身を除く): 328404412

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 193, 211, 221, 238, 364, 386, 422, 442, 476, 772, 844, 884, 1351, 1477, 1547, 2509, 2702, 2743, 2954, 3094, 3281, 3587, 5018, 5404, 5486, 5908, 6188, 6562, 7174, 10036, 10972, 13124, 14348, 17563, 19201, 22967, 25109, 35126, 38402, 40723, 42653, 45934, 46631, 50218, 70252, 76804, 81446, 85306, 91868, 93262, 100436, 162892, 170612, 186524, 285061, 298571, 326417, 529399, 570122, 597142, 652834, 692291, 1058798, 1140244, 1194284, 1305668, 1384582, 2117596, 2769164, 3705793, 4846037, 7411586, 8999783, 9692074, 14823172, 17999566, 19384148, 35999132, 62998481, 125996962, 251993924]

約数ペア:

[(1, 251993924), (2, 125996962), (4, 62998481), (7, 35999132), (13, 19384148), (14, 17999566), (17, 14823172), (26, 9692074), (28, 8999783), (34, 7411586), (52, 4846037), (68, 3705793), (91, 2769164), (119, 2117596), (182, 1384582), (193, 1305668), (211, 1194284), (221, 1140244), (238, 1058798), (364, 692291), (386, 652834), (422, 597142), (442, 570122), (476, 529399), (772, 326417), (844, 298571), (884, 285061), (1351, 186524), (1477, 170612), (1547, 162892), (2509, 100436), (2702, 93262), (2743, 91868), (2954, 85306), (3094, 81446), (3281, 76804), (3587, 70252), (5018, 50218), (5404, 46631), (5486, 45934), (5908, 42653), (6188, 40723), (6562, 38402), (7174, 35126), (10036, 25109), (10972, 22967), (13124, 19201), (14348, 17563)]