215548502

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 389975040

約数和(自身を除く): 174426538

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 61, 122, 247, 299, 311, 437, 494, 598, 622, 793, 874, 1159, 1403, 1586, 2318, 2806, 4043, 5681, 5909, 7153, 8086, 11362, 11818, 14306, 15067, 18239, 18971, 26657, 30134, 36478, 37942, 53314, 76817, 92989, 135907, 153634, 185978, 246623, 271814, 346541, 360449, 436333, 493246, 693082, 720898, 872666, 1766791, 3533582, 4685837, 5672329, 8290327, 9371674, 11344658, 16580654, 107774251, 215548502]

約数ペア:

[(1, 215548502), (2, 107774251), (13, 16580654), (19, 11344658), (23, 9371674), (26, 8290327), (38, 5672329), (46, 4685837), (61, 3533582), (122, 1766791), (247, 872666), (299, 720898), (311, 693082), (437, 493246), (494, 436333), (598, 360449), (622, 346541), (793, 271814), (874, 246623), (1159, 185978), (1403, 153634), (1586, 135907), (2318, 92989), (2806, 76817), (4043, 53314), (5681, 37942), (5909, 36478), (7153, 30134), (8086, 26657), (11362, 18971), (11818, 18239), (14306, 15067)]