28402816

素因数分解:

$2^7\times {\mathrm{13}}^3\times {\mathrm{101}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 61903800

約数和(自身を除く): 33500984

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 101, 104, 128, 169, 202, 208, 338, 404, 416, 676, 808, 832, 1313, 1352, 1616, 1664, 2197, 2626, 2704, 3232, 4394, 5252, 5408, 6464, 8788, 10504, 10816, 12928, 17069, 17576, 21008, 21632, 34138, 35152, 42016, 68276, 70304, 84032, 136552, 140608, 168064, 221897, 273104, 281216, 443794, 546208, 887588, 1092416, 1775176, 2184832, 3550352, 7100704, 14201408, 28402816]

約数ペア:

[(1, 28402816), (2, 14201408), (4, 7100704), (8, 3550352), (13, 2184832), (16, 1775176), (26, 1092416), (32, 887588), (52, 546208), (64, 443794), (101, 281216), (104, 273104), (128, 221897), (169, 168064), (202, 140608), (208, 136552), (338, 84032), (404, 70304), (416, 68276), (676, 42016), (808, 35152), (832, 34138), (1313, 21632), (1352, 21008), (1616, 17576), (1664, 17069), (2197, 12928), (2626, 10816), (2704, 10504), (3232, 8788), (4394, 6464), (5252, 5408)]