90818182

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 179625600

約数和(自身を除く): 88807418

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 149, 182, 197, 221, 238, 298, 394, 442, 1043, 1379, 1547, 1937, 2086, 2533, 2561, 2758, 3094, 3349, 3874, 5066, 5122, 6698, 13559, 17731, 17927, 23443, 27118, 29353, 32929, 35462, 35854, 43537, 46886, 58706, 65858, 87074, 205471, 230503, 304759, 381589, 410942, 461006, 499001, 609518, 763178, 998002, 2671123, 3493007, 5342246, 6487013, 6986014, 12974026, 45409091, 90818182]

約数ペア:

[(1, 90818182), (2, 45409091), (7, 12974026), (13, 6986014), (14, 6487013), (17, 5342246), (26, 3493007), (34, 2671123), (91, 998002), (119, 763178), (149, 609518), (182, 499001), (197, 461006), (221, 410942), (238, 381589), (298, 304759), (394, 230503), (442, 205471), (1043, 87074), (1379, 65858), (1547, 58706), (1937, 46886), (2086, 43537), (2533, 35854), (2561, 35462), (2758, 32929), (3094, 29353), (3349, 27118), (3874, 23443), (5066, 17927), (5122, 17731), (6698, 13559)]