128307426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{433}}^1$

素因数の和:611

約数の個数: 64

約数和(自身を含む): 288731520

約数和(自身を除く): 160424094

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 131, 174, 262, 377, 393, 433, 754, 786, 866, 1131, 1299, 1703, 2262, 2598, 3406, 3799, 5109, 5629, 7598, 10218, 11258, 11397, 12557, 16887, 22794, 25114, 33774, 37671, 49387, 56723, 75342, 98774, 113446, 148161, 163241, 170169, 296322, 326482, 340338, 489723, 737399, 979446, 1474798, 1644967, 2212197, 3289934, 4424394, 4934901, 9869802, 21384571, 42769142, 64153713, 128307426]

約数ペア:

[(1, 128307426), (2, 64153713), (3, 42769142), (6, 21384571), (13, 9869802), (26, 4934901), (29, 4424394), (39, 3289934), (58, 2212197), (78, 1644967), (87, 1474798), (131, 979446), (174, 737399), (262, 489723), (377, 340338), (393, 326482), (433, 296322), (754, 170169), (786, 163241), (866, 148161), (1131, 113446), (1299, 98774), (1703, 75342), (2262, 56723), (2598, 49387), (3406, 37671), (3799, 33774), (5109, 25114), (5629, 22794), (7598, 16887), (10218, 12557), (11258, 11397)]