1289788328

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{38561}}^1$

素因数の和:38717

約数の個数: 32

約数和(自身を含む): 2505758760

約数和(自身を除く): 1215970432

約数列:

[1, 2, 4, 8, 37, 74, 113, 148, 226, 296, 452, 904, 4181, 8362, 16724, 33448, 38561, 77122, 154244, 308488, 1426757, 2853514, 4357393, 5707028, 8714786, 11414056, 17429572, 34859144, 161223541, 322447082, 644894164, 1289788328]

約数ペア:

[(1, 1289788328), (2, 644894164), (4, 322447082), (8, 161223541), (37, 34859144), (74, 17429572), (113, 11414056), (148, 8714786), (226, 5707028), (296, 4357393), (452, 2853514), (904, 1426757), (4181, 308488), (8362, 154244), (16724, 77122), (33448, 38561)]