28775968

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:366

約数の個数: 72

約数和(自身を含む): 65161908

約数和(自身を除く): 36385940

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 169, 208, 221, 272, 313, 338, 416, 442, 544, 626, 676, 884, 1252, 1352, 1768, 2504, 2704, 2873, 3536, 4069, 5008, 5321, 5408, 5746, 7072, 8138, 10016, 10642, 11492, 16276, 21284, 22984, 32552, 42568, 45968, 52897, 65104, 69173, 85136, 91936, 105794, 130208, 138346, 170272, 211588, 276692, 423176, 553384, 846352, 899249, 1106768, 1692704, 1798498, 2213536, 3596996, 7193992, 14387984, 28775968]

約数ペア:

[(1, 28775968), (2, 14387984), (4, 7193992), (8, 3596996), (13, 2213536), (16, 1798498), (17, 1692704), (26, 1106768), (32, 899249), (34, 846352), (52, 553384), (68, 423176), (104, 276692), (136, 211588), (169, 170272), (208, 138346), (221, 130208), (272, 105794), (313, 91936), (338, 85136), (416, 69173), (442, 65104), (544, 52897), (626, 45968), (676, 42568), (884, 32552), (1252, 22984), (1352, 21284), (1768, 16276), (2504, 11492), (2704, 10642), (2873, 10016), (3536, 8138), (4069, 7072), (5008, 5746), (5321, 5408)]