28486764

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 77248080

約数和(自身を除く): 48761316

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 89, 102, 153, 178, 204, 267, 306, 356, 523, 534, 612, 801, 1046, 1068, 1513, 1569, 1602, 2092, 3026, 3138, 3204, 4539, 4707, 6052, 6276, 8891, 9078, 9414, 13617, 17782, 18156, 18828, 26673, 27234, 35564, 46547, 53346, 54468, 80019, 93094, 106692, 139641, 160038, 186188, 279282, 320076, 418923, 558564, 791299, 837846, 1582598, 1675692, 2373897, 3165196, 4747794, 7121691, 9495588, 14243382, 28486764]

約数ペア:

[(1, 28486764), (2, 14243382), (3, 9495588), (4, 7121691), (6, 4747794), (9, 3165196), (12, 2373897), (17, 1675692), (18, 1582598), (34, 837846), (36, 791299), (51, 558564), (68, 418923), (89, 320076), (102, 279282), (153, 186188), (178, 160038), (204, 139641), (267, 106692), (306, 93094), (356, 80019), (523, 54468), (534, 53346), (612, 46547), (801, 35564), (1046, 27234), (1068, 26673), (1513, 18828), (1569, 18156), (1602, 17782), (2092, 13617), (3026, 9414), (3138, 9078), (3204, 8891), (4539, 6276), (4707, 6052)]