221545870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{14321}}^1$

素因数の和:14365

約数の個数: 64

約数和(自身を含む): 519716736

約数和(自身を除く): 298170866

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 910, 1105, 1190, 1547, 2210, 3094, 7735, 14321, 15470, 28642, 71605, 100247, 143210, 186173, 200494, 243457, 372346, 486914, 501235, 930865, 1002470, 1217285, 1303211, 1704199, 1861730, 2434570, 2606422, 3164941, 3408398, 6329882, 6516055, 8520995, 13032110, 15824705, 17041990, 22154587, 31649410, 44309174, 110772935, 221545870]

約数ペア:

[(1, 221545870), (2, 110772935), (5, 44309174), (7, 31649410), (10, 22154587), (13, 17041990), (14, 15824705), (17, 13032110), (26, 8520995), (34, 6516055), (35, 6329882), (65, 3408398), (70, 3164941), (85, 2606422), (91, 2434570), (119, 1861730), (130, 1704199), (170, 1303211), (182, 1217285), (221, 1002470), (238, 930865), (442, 501235), (455, 486914), (595, 372346), (910, 243457), (1105, 200494), (1190, 186173), (1547, 143210), (2210, 100247), (3094, 71605), (7735, 28642), (14321, 15470)]