217640916

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 559663104

約数和(自身を除く): 342022188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 181, 254, 263, 362, 381, 508, 526, 543, 724, 762, 789, 1052, 1086, 1143, 1524, 1578, 1629, 2172, 2286, 2367, 3156, 3258, 4572, 4734, 6516, 9468, 22987, 33401, 45974, 47603, 66802, 68961, 91948, 95206, 100203, 133604, 137922, 142809, 190412, 200406, 206883, 275844, 285618, 300609, 400812, 413766, 428427, 571236, 601218, 827532, 856854, 1202436, 1713708, 6045581, 12091162, 18136743, 24182324, 36273486, 54410229, 72546972, 108820458, 217640916]

約数ペア:

[(1, 217640916), (2, 108820458), (3, 72546972), (4, 54410229), (6, 36273486), (9, 24182324), (12, 18136743), (18, 12091162), (36, 6045581), (127, 1713708), (181, 1202436), (254, 856854), (263, 827532), (362, 601218), (381, 571236), (508, 428427), (526, 413766), (543, 400812), (724, 300609), (762, 285618), (789, 275844), (1052, 206883), (1086, 200406), (1143, 190412), (1524, 142809), (1578, 137922), (1629, 133604), (2172, 100203), (2286, 95206), (2367, 91948), (3156, 68961), (3258, 66802), (4572, 47603), (4734, 45974), (6516, 33401), (9468, 22987)]