81101748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 243492480

約数和(自身を除く): 162390732

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 29, 39, 42, 52, 58, 78, 84, 87, 91, 116, 156, 169, 174, 182, 197, 203, 273, 338, 348, 364, 377, 394, 406, 507, 546, 591, 609, 676, 754, 788, 812, 1014, 1092, 1131, 1182, 1183, 1218, 1379, 1508, 2028, 2262, 2364, 2366, 2436, 2561, 2639, 2758, 3549, 4137, 4524, 4732, 4901, 5122, 5278, 5516, 5713, 7098, 7683, 7917, 8274, 9802, 10244, 10556, 11426, 14196, 14703, 15366, 15834, 16548, 17139, 17927, 19604, 22852, 29406, 30732, 31668, 33293, 34278, 34307, 35854, 39991, 53781, 58812, 66586, 68556, 68614, 71708, 74269, 79982, 99879, 102921, 107562, 119973, 133172, 137228, 148538, 159964, 199758, 205842, 215124, 222807, 233051, 239946, 297076, 399516, 411684, 445614, 466102, 479892, 519883, 699153, 891228, 932204, 965497, 1039766, 1398306, 1559649, 1930994, 2079532, 2796612, 2896491, 3119298, 3861988, 5792982, 6238596, 6758479, 11585964, 13516958, 20275437, 27033916, 40550874, 81101748]

約数ペア:

[(1, 81101748), (2, 40550874), (3, 27033916), (4, 20275437), (6, 13516958), (7, 11585964), (12, 6758479), (13, 6238596), (14, 5792982), (21, 3861988), (26, 3119298), (28, 2896491), (29, 2796612), (39, 2079532), (42, 1930994), (52, 1559649), (58, 1398306), (78, 1039766), (84, 965497), (87, 932204), (91, 891228), (116, 699153), (156, 519883), (169, 479892), (174, 466102), (182, 445614), (197, 411684), (203, 399516), (273, 297076), (338, 239946), (348, 233051), (364, 222807), (377, 215124), (394, 205842), (406, 199758), (507, 159964), (546, 148538), (591, 137228), (609, 133172), (676, 119973), (754, 107562), (788, 102921), (812, 99879), (1014, 79982), (1092, 74269), (1131, 71708), (1182, 68614), (1183, 68556), (1218, 66586), (1379, 58812), (1508, 53781), (2028, 39991), (2262, 35854), (2364, 34307), (2366, 34278), (2436, 33293), (2561, 31668), (2639, 30732), (2758, 29406), (3549, 22852), (4137, 19604), (4524, 17927), (4732, 17139), (4901, 16548), (5122, 15834), (5278, 15366), (5516, 14703), (5713, 14196), (7098, 11426), (7683, 10556), (7917, 10244), (8274, 9802)]