391735318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 694552320

約数和(自身を除く): 302817002

約数列:

[1, 2, 13, 17, 26, 34, 47, 94, 109, 173, 218, 221, 346, 442, 611, 799, 1222, 1417, 1598, 1853, 2249, 2834, 2941, 3706, 4498, 5123, 5882, 8131, 10246, 10387, 16262, 18857, 20774, 24089, 37714, 38233, 48178, 66599, 76466, 87091, 105703, 133198, 138227, 174182, 211406, 245141, 276454, 320569, 490282, 641138, 886279, 1132183, 1772558, 1796951, 2264366, 3593902, 4167397, 8334794, 11521627, 15066743, 23043254, 30133486, 195867659, 391735318]

約数ペア:

[(1, 391735318), (2, 195867659), (13, 30133486), (17, 23043254), (26, 15066743), (34, 11521627), (47, 8334794), (94, 4167397), (109, 3593902), (173, 2264366), (218, 1796951), (221, 1772558), (346, 1132183), (442, 886279), (611, 641138), (799, 490282), (1222, 320569), (1417, 276454), (1598, 245141), (1853, 211406), (2249, 174182), (2834, 138227), (2941, 133198), (3706, 105703), (4498, 87091), (5123, 76466), (5882, 66599), (8131, 48178), (10246, 38233), (10387, 37714), (16262, 24089), (18857, 20774)]