28419104

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{439}}^1$

素因数の和:490

約数の個数: 72

約数和(自身を含む): 68080320

約数和(自身を除く): 39661216

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 289, 439, 476, 544, 578, 878, 952, 1156, 1756, 1904, 2023, 2312, 3073, 3512, 3808, 4046, 4624, 6146, 7024, 7463, 8092, 9248, 12292, 14048, 14926, 16184, 24584, 29852, 32368, 49168, 52241, 59704, 64736, 98336, 104482, 119408, 126871, 208964, 238816, 253742, 417928, 507484, 835856, 888097, 1014968, 1671712, 1776194, 2029936, 3552388, 4059872, 7104776, 14209552, 28419104]

約数ペア:

[(1, 28419104), (2, 14209552), (4, 7104776), (7, 4059872), (8, 3552388), (14, 2029936), (16, 1776194), (17, 1671712), (28, 1014968), (32, 888097), (34, 835856), (56, 507484), (68, 417928), (112, 253742), (119, 238816), (136, 208964), (224, 126871), (238, 119408), (272, 104482), (289, 98336), (439, 64736), (476, 59704), (544, 52241), (578, 49168), (878, 32368), (952, 29852), (1156, 24584), (1756, 16184), (1904, 14926), (2023, 14048), (2312, 12292), (3073, 9248), (3512, 8092), (3808, 7463), (4046, 7024), (4624, 6146)]