28871388

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1259}}^1$

素因数の和:1296

約数の個数: 108

約数和(自身を含む): 91498680

約数和(自身を除く): 62627292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 182, 196, 234, 252, 273, 294, 364, 441, 468, 546, 588, 637, 819, 882, 1092, 1259, 1274, 1638, 1764, 1911, 2518, 2548, 3276, 3777, 3822, 5036, 5733, 7554, 7644, 8813, 11331, 11466, 15108, 16367, 17626, 22662, 22932, 26439, 32734, 35252, 45324, 49101, 52878, 61691, 65468, 79317, 98202, 105756, 114569, 123382, 147303, 158634, 185073, 196404, 229138, 246764, 294606, 317268, 343707, 370146, 458276, 555219, 589212, 687414, 740292, 801983, 1031121, 1110438, 1374828, 1603966, 2062242, 2220876, 2405949, 3207932, 4124484, 4811898, 7217847, 9623796, 14435694, 28871388]

約数ペア:

[(1, 28871388), (2, 14435694), (3, 9623796), (4, 7217847), (6, 4811898), (7, 4124484), (9, 3207932), (12, 2405949), (13, 2220876), (14, 2062242), (18, 1603966), (21, 1374828), (26, 1110438), (28, 1031121), (36, 801983), (39, 740292), (42, 687414), (49, 589212), (52, 555219), (63, 458276), (78, 370146), (84, 343707), (91, 317268), (98, 294606), (117, 246764), (126, 229138), (147, 196404), (156, 185073), (182, 158634), (196, 147303), (234, 123382), (252, 114569), (273, 105756), (294, 98202), (364, 79317), (441, 65468), (468, 61691), (546, 52878), (588, 49101), (637, 45324), (819, 35252), (882, 32734), (1092, 26439), (1259, 22932), (1274, 22662), (1638, 17626), (1764, 16367), (1911, 15108), (2518, 11466), (2548, 11331), (3276, 8813), (3777, 7644), (3822, 7554), (5036, 5733)]