213991128

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{167}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 645306480

約数和(自身を除く): 431315352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 37, 39, 52, 72, 74, 78, 104, 111, 117, 148, 156, 167, 222, 234, 296, 312, 333, 334, 444, 468, 481, 501, 666, 668, 888, 936, 962, 1002, 1332, 1336, 1369, 1443, 1503, 1924, 2004, 2171, 2664, 2738, 2886, 3006, 3848, 4008, 4107, 4329, 4342, 5476, 5772, 6012, 6179, 6513, 8214, 8658, 8684, 10952, 11544, 12024, 12321, 12358, 13026, 16428, 17316, 17368, 17797, 18537, 19539, 24642, 24716, 26052, 32856, 34632, 35594, 37074, 39078, 49284, 49432, 52104, 53391, 55611, 71188, 74148, 78156, 80327, 98568, 106782, 111222, 142376, 148296, 156312, 160173, 160654, 213564, 222444, 228623, 240981, 320346, 321308, 427128, 444888, 457246, 481962, 640692, 642616, 685869, 722943, 914492, 963924, 1281384, 1371738, 1445886, 1828984, 1927848, 2057607, 2743476, 2891772, 2972099, 4115214, 5486952, 5783544, 5944198, 8230428, 8916297, 11888396, 16460856, 17832594, 23776792, 26748891, 35665188, 53497782, 71330376, 106995564, 213991128]

約数ペア:

[(1, 213991128), (2, 106995564), (3, 71330376), (4, 53497782), (6, 35665188), (8, 26748891), (9, 23776792), (12, 17832594), (13, 16460856), (18, 11888396), (24, 8916297), (26, 8230428), (36, 5944198), (37, 5783544), (39, 5486952), (52, 4115214), (72, 2972099), (74, 2891772), (78, 2743476), (104, 2057607), (111, 1927848), (117, 1828984), (148, 1445886), (156, 1371738), (167, 1281384), (222, 963924), (234, 914492), (296, 722943), (312, 685869), (333, 642616), (334, 640692), (444, 481962), (468, 457246), (481, 444888), (501, 427128), (666, 321308), (668, 320346), (888, 240981), (936, 228623), (962, 222444), (1002, 213564), (1332, 160654), (1336, 160173), (1369, 156312), (1443, 148296), (1503, 142376), (1924, 111222), (2004, 106782), (2171, 98568), (2664, 80327), (2738, 78156), (2886, 74148), (3006, 71188), (3848, 55611), (4008, 53391), (4107, 52104), (4329, 49432), (4342, 49284), (5476, 39078), (5772, 37074), (6012, 35594), (6179, 34632), (6513, 32856), (8214, 26052), (8658, 24716), (8684, 24642), (10952, 19539), (11544, 18537), (12024, 17797), (12321, 17368), (12358, 17316), (13026, 16428)]