213103670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{457}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 440427456

約数和(自身を除く): 227323786

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 211, 221, 422, 442, 457, 914, 1055, 1105, 2110, 2210, 2285, 2743, 3587, 4570, 5486, 5941, 7174, 7769, 11882, 13715, 15538, 17935, 27430, 29705, 35870, 38845, 46631, 59410, 77690, 93262, 96427, 100997, 192854, 201994, 233155, 466310, 482135, 504985, 964270, 1009970, 1253551, 1639259, 2507102, 3278518, 6267755, 8196295, 12535510, 16392590, 21310367, 42620734, 106551835, 213103670]

約数ペア:

[(1, 213103670), (2, 106551835), (5, 42620734), (10, 21310367), (13, 16392590), (17, 12535510), (26, 8196295), (34, 6267755), (65, 3278518), (85, 2507102), (130, 1639259), (170, 1253551), (211, 1009970), (221, 964270), (422, 504985), (442, 482135), (457, 466310), (914, 233155), (1055, 201994), (1105, 192854), (2110, 100997), (2210, 96427), (2285, 93262), (2743, 77690), (3587, 59410), (4570, 46631), (5486, 38845), (5941, 35870), (7174, 29705), (7769, 27430), (11882, 17935), (13715, 15538)]