209955902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 344282400

約数和(自身を除く): 134326498

約数列:

[1, 2, 13, 26, 179, 197, 229, 358, 394, 458, 2327, 2561, 2977, 4654, 5122, 5954, 35263, 40991, 45113, 70526, 81982, 90226, 458419, 532883, 586469, 916838, 1065766, 1172938, 8075227, 16150454, 104977951, 209955902]

約数ペア:

[(1, 209955902), (2, 104977951), (13, 16150454), (26, 8075227), (179, 1172938), (197, 1065766), (229, 916838), (358, 586469), (394, 532883), (458, 458419), (2327, 90226), (2561, 81982), (2977, 70526), (4654, 45113), (5122, 40991), (5954, 35263)]