218698844

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{409}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 478991520

約数和(自身を除く): 260292676

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 113, 169, 182, 226, 338, 364, 409, 452, 676, 791, 818, 1183, 1469, 1582, 1636, 2366, 2863, 2938, 3164, 4732, 5317, 5726, 5876, 10283, 10634, 11452, 19097, 20566, 21268, 37219, 38194, 41132, 46217, 69121, 74438, 76388, 92434, 133679, 138242, 148876, 184868, 267358, 276484, 323519, 483847, 534716, 600821, 647038, 967694, 1201642, 1294076, 1935388, 2403284, 4205747, 7810673, 8411494, 15621346, 16822988, 31242692, 54674711, 109349422, 218698844]

約数ペア:

[(1, 218698844), (2, 109349422), (4, 54674711), (7, 31242692), (13, 16822988), (14, 15621346), (26, 8411494), (28, 7810673), (52, 4205747), (91, 2403284), (113, 1935388), (169, 1294076), (182, 1201642), (226, 967694), (338, 647038), (364, 600821), (409, 534716), (452, 483847), (676, 323519), (791, 276484), (818, 267358), (1183, 184868), (1469, 148876), (1582, 138242), (1636, 133679), (2366, 92434), (2863, 76388), (2938, 74438), (3164, 69121), (4732, 46217), (5317, 41132), (5726, 38194), (5876, 37219), (10283, 21268), (10634, 20566), (11452, 19097)]