30897568

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{257}}^1$

素因数の和:314

約数の個数: 72

約数和(自身を含む): 69859692

約数和(自身を除く): 38962124

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 257, 272, 289, 416, 442, 514, 544, 578, 884, 1028, 1156, 1768, 2056, 2312, 3341, 3536, 3757, 4112, 4369, 4624, 6682, 7072, 7514, 8224, 8738, 9248, 13364, 15028, 17476, 26728, 30056, 34952, 53456, 56797, 60112, 69904, 74273, 106912, 113594, 120224, 139808, 148546, 227188, 297092, 454376, 594184, 908752, 965549, 1188368, 1817504, 1931098, 2376736, 3862196, 7724392, 15448784, 30897568]

約数ペア:

[(1, 30897568), (2, 15448784), (4, 7724392), (8, 3862196), (13, 2376736), (16, 1931098), (17, 1817504), (26, 1188368), (32, 965549), (34, 908752), (52, 594184), (68, 454376), (104, 297092), (136, 227188), (208, 148546), (221, 139808), (257, 120224), (272, 113594), (289, 106912), (416, 74273), (442, 69904), (514, 60112), (544, 56797), (578, 53456), (884, 34952), (1028, 30056), (1156, 26728), (1768, 17476), (2056, 15028), (2312, 13364), (3341, 9248), (3536, 8738), (3757, 8224), (4112, 7514), (4369, 7072), (4624, 6682)]