1278825392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{8623}}^1$

素因数の和:8698

約数の個数: 80

約数和(自身を含む): 2874482688

約数和(自身を除く): 1595657296

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 31, 46, 52, 62, 92, 104, 124, 184, 208, 248, 299, 368, 403, 496, 598, 713, 806, 1196, 1426, 1612, 2392, 2852, 3224, 4784, 5704, 6448, 8623, 9269, 11408, 17246, 18538, 34492, 37076, 68984, 74152, 112099, 137968, 148304, 198329, 224198, 267313, 396658, 448396, 534626, 793316, 896792, 1069252, 1586632, 1793584, 2138504, 2578277, 3173264, 3475069, 4277008, 5156554, 6148199, 6950138, 10313108, 12296398, 13900276, 20626216, 24592796, 27800552, 41252432, 49185592, 55601104, 79926587, 98371184, 159853174, 319706348, 639412696, 1278825392]

約数ペア:

[(1, 1278825392), (2, 639412696), (4, 319706348), (8, 159853174), (13, 98371184), (16, 79926587), (23, 55601104), (26, 49185592), (31, 41252432), (46, 27800552), (52, 24592796), (62, 20626216), (92, 13900276), (104, 12296398), (124, 10313108), (184, 6950138), (208, 6148199), (248, 5156554), (299, 4277008), (368, 3475069), (403, 3173264), (496, 2578277), (598, 2138504), (713, 1793584), (806, 1586632), (1196, 1069252), (1426, 896792), (1612, 793316), (2392, 534626), (2852, 448396), (3224, 396658), (4784, 267313), (5704, 224198), (6448, 198329), (8623, 148304), (9269, 137968), (11408, 112099), (17246, 74152), (18538, 68984), (34492, 37076)]