728048384

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21383}}^1$

素因数の和:21425

約数の個数: 72

約数和(自身を含む): 1748355840

約数和(自身を除く): 1020307456

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 532, 608, 896, 1064, 1216, 1792, 2128, 2432, 4256, 4864, 8512, 17024, 21383, 34048, 42766, 85532, 149681, 171064, 299362, 342128, 406277, 598724, 684256, 812554, 1197448, 1368512, 1625108, 2394896, 2737024, 2843939, 3250216, 4789792, 5474048, 5687878, 6500432, 9579584, 11375756, 13000864, 19159168, 22751512, 26001728, 38318336, 45503024, 52003456, 91006048, 104006912, 182012096, 364024192, 728048384]

約数ペア:

[(1, 728048384), (2, 364024192), (4, 182012096), (7, 104006912), (8, 91006048), (14, 52003456), (16, 45503024), (19, 38318336), (28, 26001728), (32, 22751512), (38, 19159168), (56, 13000864), (64, 11375756), (76, 9579584), (112, 6500432), (128, 5687878), (133, 5474048), (152, 4789792), (224, 3250216), (256, 2843939), (266, 2737024), (304, 2394896), (448, 1625108), (532, 1368512), (608, 1197448), (896, 812554), (1064, 684256), (1216, 598724), (1792, 406277), (2128, 342128), (2432, 299362), (4256, 171064), (4864, 149681), (8512, 85532), (17024, 42766), (21383, 34048)]