31193708

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^2$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 72154656

約数和(自身を除く): 40960948

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 71, 91, 119, 142, 182, 221, 238, 284, 364, 442, 476, 497, 884, 923, 994, 1207, 1547, 1846, 1988, 2414, 3094, 3692, 4828, 5041, 6188, 6461, 8449, 10082, 12922, 15691, 16898, 20164, 25844, 31382, 33796, 35287, 62764, 65533, 70574, 85697, 109837, 131066, 141148, 171394, 219674, 262132, 342788, 439348, 458731, 599879, 917462, 1114061, 1199758, 1834924, 2228122, 2399516, 4456244, 7798427, 15596854, 31193708]

約数ペア:

[(1, 31193708), (2, 15596854), (4, 7798427), (7, 4456244), (13, 2399516), (14, 2228122), (17, 1834924), (26, 1199758), (28, 1114061), (34, 917462), (52, 599879), (68, 458731), (71, 439348), (91, 342788), (119, 262132), (142, 219674), (182, 171394), (221, 141148), (238, 131066), (284, 109837), (364, 85697), (442, 70574), (476, 65533), (497, 62764), (884, 35287), (923, 33796), (994, 31382), (1207, 25844), (1547, 20164), (1846, 16898), (1988, 15691), (2414, 12922), (3094, 10082), (3692, 8449), (4828, 6461), (5041, 6188)]