28201472

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:273

約数の個数: 80

約数和(自身を含む): 64162560

約数和(自身を除く): 35961088

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 223, 247, 256, 304, 416, 446, 494, 512, 608, 832, 892, 988, 1216, 1664, 1784, 1976, 2432, 2899, 3328, 3568, 3952, 4237, 4864, 5798, 6656, 7136, 7904, 8474, 9728, 11596, 14272, 15808, 16948, 23192, 28544, 31616, 33896, 46384, 55081, 57088, 63232, 67792, 92768, 110162, 114176, 126464, 135584, 185536, 220324, 271168, 371072, 440648, 542336, 742144, 881296, 1084672, 1484288, 1762592, 2169344, 3525184, 7050368, 14100736, 28201472]

約数ペア:

[(1, 28201472), (2, 14100736), (4, 7050368), (8, 3525184), (13, 2169344), (16, 1762592), (19, 1484288), (26, 1084672), (32, 881296), (38, 742144), (52, 542336), (64, 440648), (76, 371072), (104, 271168), (128, 220324), (152, 185536), (208, 135584), (223, 126464), (247, 114176), (256, 110162), (304, 92768), (416, 67792), (446, 63232), (494, 57088), (512, 55081), (608, 46384), (832, 33896), (892, 31616), (988, 28544), (1216, 23192), (1664, 16948), (1784, 15808), (1976, 14272), (2432, 11596), (2899, 9728), (3328, 8474), (3568, 7904), (3952, 7136), (4237, 6656), (4864, 5798)]