15797290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 29652480

約数和(自身を除く): 13855190

約数列:

[1, 2, 5, 10, 31, 62, 131, 155, 262, 310, 389, 655, 778, 1310, 1945, 3890, 4061, 8122, 12059, 20305, 24118, 40610, 50959, 60295, 101918, 120590, 254795, 509590, 1579729, 3159458, 7898645, 15797290]

約数ペア:

[(1, 15797290), (2, 7898645), (5, 3159458), (10, 1579729), (31, 509590), (62, 254795), (131, 120590), (155, 101918), (262, 60295), (310, 50959), (389, 40610), (655, 24118), (778, 20305), (1310, 12059), (1945, 8122), (3890, 4061)]