265790590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{653}}^1$

素因数の和:805

約数の個数: 64

約数和(自身を含む): 537933312

約数和(自身を除く): 272142722

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 101, 130, 155, 202, 310, 403, 505, 653, 806, 1010, 1306, 1313, 2015, 2626, 3131, 3265, 4030, 6262, 6530, 6565, 8489, 13130, 15655, 16978, 20243, 31310, 40486, 40703, 42445, 65953, 81406, 84890, 101215, 131906, 202430, 203515, 263159, 329765, 407030, 526318, 659530, 857389, 1315795, 1714778, 2044543, 2631590, 4089086, 4286945, 8573890, 10222715, 20445430, 26579059, 53158118, 132895295, 265790590]

約数ペア:

[(1, 265790590), (2, 132895295), (5, 53158118), (10, 26579059), (13, 20445430), (26, 10222715), (31, 8573890), (62, 4286945), (65, 4089086), (101, 2631590), (130, 2044543), (155, 1714778), (202, 1315795), (310, 857389), (403, 659530), (505, 526318), (653, 407030), (806, 329765), (1010, 263159), (1306, 203515), (1313, 202430), (2015, 131906), (2626, 101215), (3131, 84890), (3265, 81406), (4030, 65953), (6262, 42445), (6530, 40703), (6565, 40486), (8489, 31310), (13130, 20243), (15655, 16978)]