212991948

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 612009216

約数和(自身を除く): 399017268

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 53, 62, 78, 93, 106, 117, 124, 156, 159, 186, 212, 234, 277, 279, 318, 372, 403, 468, 477, 554, 558, 636, 689, 806, 831, 954, 1108, 1116, 1209, 1378, 1612, 1643, 1662, 1908, 2067, 2418, 2493, 2756, 3286, 3324, 3601, 3627, 4134, 4836, 4929, 4986, 6201, 6572, 7202, 7254, 8268, 8587, 9858, 9972, 10803, 12402, 14404, 14508, 14681, 14787, 17174, 19716, 21359, 21606, 24804, 25761, 29362, 29574, 32409, 34348, 42718, 43212, 44043, 51522, 58724, 59148, 64077, 64818, 77283, 85436, 88086, 103044, 111631, 128154, 129636, 132129, 154566, 176172, 190853, 192231, 223262, 256308, 264258, 309132, 334893, 381706, 384462, 446524, 455111, 528516, 572559, 669786, 763412, 768924, 910222, 1004679, 1145118, 1339572, 1365333, 1717677, 1820444, 2009358, 2290236, 2730666, 3435354, 4018716, 4095999, 5461332, 5916443, 6870708, 8191998, 11832886, 16383996, 17749329, 23665772, 35498658, 53247987, 70997316, 106495974, 212991948]

約数ペア:

[(1, 212991948), (2, 106495974), (3, 70997316), (4, 53247987), (6, 35498658), (9, 23665772), (12, 17749329), (13, 16383996), (18, 11832886), (26, 8191998), (31, 6870708), (36, 5916443), (39, 5461332), (52, 4095999), (53, 4018716), (62, 3435354), (78, 2730666), (93, 2290236), (106, 2009358), (117, 1820444), (124, 1717677), (156, 1365333), (159, 1339572), (186, 1145118), (212, 1004679), (234, 910222), (277, 768924), (279, 763412), (318, 669786), (372, 572559), (403, 528516), (468, 455111), (477, 446524), (554, 384462), (558, 381706), (636, 334893), (689, 309132), (806, 264258), (831, 256308), (954, 223262), (1108, 192231), (1116, 190853), (1209, 176172), (1378, 154566), (1612, 132129), (1643, 129636), (1662, 128154), (1908, 111631), (2067, 103044), (2418, 88086), (2493, 85436), (2756, 77283), (3286, 64818), (3324, 64077), (3601, 59148), (3627, 58724), (4134, 51522), (4836, 44043), (4929, 43212), (4986, 42718), (6201, 34348), (6572, 32409), (7202, 29574), (7254, 29362), (8268, 25761), (8587, 24804), (9858, 21606), (9972, 21359), (10803, 19716), (12402, 17174), (14404, 14787), (14508, 14681)]