81724916

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 191020032

約数和(自身を除く): 109295116

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 47, 52, 68, 91, 94, 119, 182, 188, 221, 238, 281, 329, 364, 442, 476, 562, 611, 658, 799, 884, 1124, 1222, 1316, 1547, 1598, 1967, 2444, 3094, 3196, 3653, 3934, 4277, 4777, 5593, 6188, 7306, 7868, 8554, 9554, 10387, 11186, 13207, 14612, 17108, 19108, 20774, 22372, 25571, 26414, 33439, 41548, 51142, 52828, 62101, 66878, 72709, 92449, 102284, 124202, 133756, 145418, 171691, 184898, 224519, 248404, 290836, 343382, 369796, 434707, 449038, 686764, 869414, 898076, 1201837, 1571633, 1738828, 2403674, 2918747, 3143266, 4807348, 5837494, 6286532, 11674988, 20431229, 40862458, 81724916]

約数ペア:

[(1, 81724916), (2, 40862458), (4, 20431229), (7, 11674988), (13, 6286532), (14, 5837494), (17, 4807348), (26, 3143266), (28, 2918747), (34, 2403674), (47, 1738828), (52, 1571633), (68, 1201837), (91, 898076), (94, 869414), (119, 686764), (182, 449038), (188, 434707), (221, 369796), (238, 343382), (281, 290836), (329, 248404), (364, 224519), (442, 184898), (476, 171691), (562, 145418), (611, 133756), (658, 124202), (799, 102284), (884, 92449), (1124, 72709), (1222, 66878), (1316, 62101), (1547, 52828), (1598, 51142), (1967, 41548), (2444, 33439), (3094, 26414), (3196, 25571), (3653, 22372), (3934, 20774), (4277, 19108), (4777, 17108), (5593, 14612), (6188, 13207), (7306, 11186), (7868, 10387), (8554, 9554)]