278319216

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1621}}^1$

素因数の和:1719

約数の個数: 120

約数和(自身を含む): 848357904

約数和(自身を除く): 570038688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 73, 84, 98, 112, 146, 147, 168, 196, 219, 292, 294, 336, 392, 438, 511, 584, 588, 784, 876, 1022, 1168, 1176, 1533, 1621, 1752, 2044, 2352, 3066, 3242, 3504, 3577, 4088, 4863, 6132, 6484, 7154, 8176, 9726, 10731, 11347, 12264, 12968, 14308, 19452, 21462, 22694, 24528, 25936, 28616, 34041, 38904, 42924, 45388, 57232, 68082, 77808, 79429, 85848, 90776, 118333, 136164, 158858, 171696, 181552, 236666, 238287, 272328, 317716, 354999, 473332, 476574, 544656, 635432, 709998, 828331, 946664, 953148, 1270864, 1419996, 1656662, 1893328, 1906296, 2484993, 2839992, 3313324, 3812592, 4969986, 5679984, 5798317, 6626648, 9939972, 11596634, 13253296, 17394951, 19879944, 23193268, 34789902, 39759888, 46386536, 69579804, 92773072, 139159608, 278319216]

約数ペア:

[(1, 278319216), (2, 139159608), (3, 92773072), (4, 69579804), (6, 46386536), (7, 39759888), (8, 34789902), (12, 23193268), (14, 19879944), (16, 17394951), (21, 13253296), (24, 11596634), (28, 9939972), (42, 6626648), (48, 5798317), (49, 5679984), (56, 4969986), (73, 3812592), (84, 3313324), (98, 2839992), (112, 2484993), (146, 1906296), (147, 1893328), (168, 1656662), (196, 1419996), (219, 1270864), (292, 953148), (294, 946664), (336, 828331), (392, 709998), (438, 635432), (511, 544656), (584, 476574), (588, 473332), (784, 354999), (876, 317716), (1022, 272328), (1168, 238287), (1176, 236666), (1533, 181552), (1621, 171696), (1752, 158858), (2044, 136164), (2352, 118333), (3066, 90776), (3242, 85848), (3504, 79429), (3577, 77808), (4088, 68082), (4863, 57232), (6132, 45388), (6484, 42924), (7154, 38904), (8176, 34041), (9726, 28616), (10731, 25936), (11347, 24528), (12264, 22694), (12968, 21462), (14308, 19452)]