163840768

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^2\times {\mathrm{541}}^1$

素因数の和:590

約数の個数: 108

約数和(自身を含む): 405472368

約数和(自身を除く): 241631600

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, 256, 338, 364, 416, 448, 541, 676, 728, 832, 896, 1082, 1183, 1352, 1456, 1664, 1792, 2164, 2366, 2704, 2912, 3328, 3787, 4328, 4732, 5408, 5824, 7033, 7574, 8656, 9464, 10816, 11648, 14066, 15148, 17312, 18928, 21632, 23296, 28132, 30296, 34624, 37856, 43264, 49231, 56264, 60592, 69248, 75712, 91429, 98462, 112528, 121184, 138496, 151424, 182858, 196924, 225056, 242368, 302848, 365716, 393848, 450112, 484736, 640003, 731432, 787696, 900224, 969472, 1280006, 1462864, 1575392, 1800448, 2560012, 2925728, 3150784, 5120024, 5851456, 6301568, 10240048, 11702912, 12603136, 20480096, 23405824, 40960192, 81920384, 163840768]

約数ペア:

[(1, 163840768), (2, 81920384), (4, 40960192), (7, 23405824), (8, 20480096), (13, 12603136), (14, 11702912), (16, 10240048), (26, 6301568), (28, 5851456), (32, 5120024), (52, 3150784), (56, 2925728), (64, 2560012), (91, 1800448), (104, 1575392), (112, 1462864), (128, 1280006), (169, 969472), (182, 900224), (208, 787696), (224, 731432), (256, 640003), (338, 484736), (364, 450112), (416, 393848), (448, 365716), (541, 302848), (676, 242368), (728, 225056), (832, 196924), (896, 182858), (1082, 151424), (1183, 138496), (1352, 121184), (1456, 112528), (1664, 98462), (1792, 91429), (2164, 75712), (2366, 69248), (2704, 60592), (2912, 56264), (3328, 49231), (3787, 43264), (4328, 37856), (4732, 34624), (5408, 30296), (5824, 28132), (7033, 23296), (7574, 21632), (8656, 18928), (9464, 17312), (10816, 15148), (11648, 14066)]