81920384

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^2\times {\mathrm{541}}^1$

素因数の和:588

約数の個数: 96

約数和(自身を含む): 202339440

約数和(自身を除く): 120419056

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 169, 182, 208, 224, 338, 364, 416, 448, 541, 676, 728, 832, 896, 1082, 1183, 1352, 1456, 1664, 2164, 2366, 2704, 2912, 3787, 4328, 4732, 5408, 5824, 7033, 7574, 8656, 9464, 10816, 11648, 14066, 15148, 17312, 18928, 21632, 28132, 30296, 34624, 37856, 49231, 56264, 60592, 69248, 75712, 91429, 98462, 112528, 121184, 151424, 182858, 196924, 225056, 242368, 365716, 393848, 450112, 484736, 640003, 731432, 787696, 900224, 1280006, 1462864, 1575392, 2560012, 2925728, 3150784, 5120024, 5851456, 6301568, 10240048, 11702912, 20480096, 40960192, 81920384]

約数ペア:

[(1, 81920384), (2, 40960192), (4, 20480096), (7, 11702912), (8, 10240048), (13, 6301568), (14, 5851456), (16, 5120024), (26, 3150784), (28, 2925728), (32, 2560012), (52, 1575392), (56, 1462864), (64, 1280006), (91, 900224), (104, 787696), (112, 731432), (128, 640003), (169, 484736), (182, 450112), (208, 393848), (224, 365716), (338, 242368), (364, 225056), (416, 196924), (448, 182858), (541, 151424), (676, 121184), (728, 112528), (832, 98462), (896, 91429), (1082, 75712), (1183, 69248), (1352, 60592), (1456, 56264), (1664, 49231), (2164, 37856), (2366, 34624), (2704, 30296), (2912, 28132), (3787, 21632), (4328, 18928), (4732, 17312), (5408, 15148), (5824, 14066), (7033, 11648), (7574, 10816), (8656, 9464)]