28903264

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 96

約数和(自身を含む): 66933216

約数和(自身を除く): 38029952

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 61, 67, 68, 104, 122, 134, 136, 208, 221, 244, 268, 272, 416, 442, 488, 536, 544, 793, 871, 884, 976, 1037, 1072, 1139, 1586, 1742, 1768, 1952, 2074, 2144, 2278, 3172, 3484, 3536, 4087, 4148, 4556, 6344, 6968, 7072, 8174, 8296, 9112, 12688, 13481, 13936, 14807, 16348, 16592, 18224, 25376, 26962, 27872, 29614, 32696, 33184, 36448, 53131, 53924, 59228, 65392, 69479, 106262, 107848, 118456, 130784, 138958, 212524, 215696, 236912, 277916, 425048, 431392, 473824, 555832, 850096, 903227, 1111664, 1700192, 1806454, 2223328, 3612908, 7225816, 14451632, 28903264]

約数ペア:

[(1, 28903264), (2, 14451632), (4, 7225816), (8, 3612908), (13, 2223328), (16, 1806454), (17, 1700192), (26, 1111664), (32, 903227), (34, 850096), (52, 555832), (61, 473824), (67, 431392), (68, 425048), (104, 277916), (122, 236912), (134, 215696), (136, 212524), (208, 138958), (221, 130784), (244, 118456), (268, 107848), (272, 106262), (416, 69479), (442, 65392), (488, 59228), (536, 53924), (544, 53131), (793, 36448), (871, 33184), (884, 32696), (976, 29614), (1037, 27872), (1072, 26962), (1139, 25376), (1586, 18224), (1742, 16592), (1768, 16348), (1952, 14807), (2074, 13936), (2144, 13481), (2278, 12688), (3172, 9112), (3484, 8296), (3536, 8174), (4087, 7072), (4148, 6968), (4556, 6344)]