890665984

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2909}}^1$

素因数の和:2965

約数の個数: 88

約数和(自身を含む): 2001474720

約数和(自身を除く): 1110808736

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 184, 208, 256, 299, 368, 416, 512, 598, 736, 832, 1024, 1196, 1472, 1664, 2392, 2909, 2944, 3328, 4784, 5818, 5888, 6656, 9568, 11636, 11776, 13312, 19136, 23272, 23552, 37817, 38272, 46544, 66907, 75634, 76544, 93088, 133814, 151268, 153088, 186176, 267628, 302536, 306176, 372352, 535256, 605072, 744704, 869791, 1070512, 1210144, 1489408, 1739582, 2141024, 2420288, 2978816, 3479164, 4282048, 4840576, 6958328, 8564096, 9681152, 13916656, 17128192, 19362304, 27833312, 34256384, 38724608, 55666624, 68512768, 111333248, 222666496, 445332992, 890665984]

約数ペア:

[(1, 890665984), (2, 445332992), (4, 222666496), (8, 111333248), (13, 68512768), (16, 55666624), (23, 38724608), (26, 34256384), (32, 27833312), (46, 19362304), (52, 17128192), (64, 13916656), (92, 9681152), (104, 8564096), (128, 6958328), (184, 4840576), (208, 4282048), (256, 3479164), (299, 2978816), (368, 2420288), (416, 2141024), (512, 1739582), (598, 1489408), (736, 1210144), (832, 1070512), (1024, 869791), (1196, 744704), (1472, 605072), (1664, 535256), (2392, 372352), (2909, 306176), (2944, 302536), (3328, 267628), (4784, 186176), (5818, 153088), (5888, 151268), (6656, 133814), (9568, 93088), (11636, 76544), (11776, 75634), (13312, 66907), (19136, 46544), (23272, 38272), (23552, 37817)]