81219372

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1381}}^1$

素因数の和:1443

約数の個数: 72

約数和(自身を含む): 212441040

約数和(自身を除く): 131221668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 169, 174, 338, 348, 377, 507, 676, 754, 1014, 1131, 1381, 1508, 2028, 2262, 2762, 4143, 4524, 4901, 5524, 8286, 9802, 14703, 16572, 17953, 19604, 29406, 35906, 40049, 53859, 58812, 71812, 80098, 107718, 120147, 160196, 215436, 233389, 240294, 466778, 480588, 520637, 700167, 933556, 1041274, 1400334, 1561911, 2082548, 2800668, 3123822, 6247644, 6768281, 13536562, 20304843, 27073124, 40609686, 81219372]

約数ペア:

[(1, 81219372), (2, 40609686), (3, 27073124), (4, 20304843), (6, 13536562), (12, 6768281), (13, 6247644), (26, 3123822), (29, 2800668), (39, 2082548), (52, 1561911), (58, 1400334), (78, 1041274), (87, 933556), (116, 700167), (156, 520637), (169, 480588), (174, 466778), (338, 240294), (348, 233389), (377, 215436), (507, 160196), (676, 120147), (754, 107718), (1014, 80098), (1131, 71812), (1381, 58812), (1508, 53859), (2028, 40049), (2262, 35906), (2762, 29406), (4143, 19604), (4524, 17953), (4901, 16572), (5524, 14703), (8286, 9802)]