78816556

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 184246272

約数和(自身を除く): 105429716

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 47, 52, 68, 91, 94, 119, 182, 188, 221, 238, 271, 329, 364, 442, 476, 542, 611, 658, 799, 884, 1084, 1222, 1316, 1547, 1598, 1897, 2444, 3094, 3196, 3523, 3794, 4277, 4607, 5593, 6188, 7046, 7588, 8554, 9214, 10387, 11186, 12737, 14092, 17108, 18428, 20774, 22372, 24661, 25474, 32249, 41548, 49322, 50948, 59891, 64498, 72709, 89159, 98644, 119782, 128996, 145418, 165581, 178318, 216529, 239564, 290836, 331162, 356636, 419237, 433058, 662324, 838474, 866116, 1159067, 1515703, 1676948, 2318134, 2814877, 3031406, 4636268, 5629754, 6062812, 11259508, 19704139, 39408278, 78816556]

約数ペア:

[(1, 78816556), (2, 39408278), (4, 19704139), (7, 11259508), (13, 6062812), (14, 5629754), (17, 4636268), (26, 3031406), (28, 2814877), (34, 2318134), (47, 1676948), (52, 1515703), (68, 1159067), (91, 866116), (94, 838474), (119, 662324), (182, 433058), (188, 419237), (221, 356636), (238, 331162), (271, 290836), (329, 239564), (364, 216529), (442, 178318), (476, 165581), (542, 145418), (611, 128996), (658, 119782), (799, 98644), (884, 89159), (1084, 72709), (1222, 64498), (1316, 59891), (1547, 50948), (1598, 49322), (1897, 41548), (2444, 32249), (3094, 25474), (3196, 24661), (3523, 22372), (3794, 20774), (4277, 18428), (4607, 17108), (5593, 14092), (6188, 12737), (7046, 11186), (7588, 10387), (8554, 9214)]