211678974

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 534159360

約数和(自身を除く): 322480386

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 62, 71, 78, 93, 117, 137, 142, 186, 213, 234, 274, 279, 351, 403, 411, 426, 558, 639, 702, 806, 822, 837, 923, 1209, 1233, 1278, 1674, 1781, 1846, 1917, 2201, 2418, 2466, 2769, 3562, 3627, 3699, 3834, 4247, 4402, 5343, 5538, 6603, 7254, 7398, 8307, 8494, 9727, 10686, 10881, 12741, 13206, 16029, 16614, 19454, 19809, 21762, 24921, 25482, 28613, 29181, 32058, 38223, 39618, 48087, 49842, 55211, 57226, 58362, 59427, 76446, 85839, 87543, 96174, 110422, 114669, 118854, 126451, 165633, 171678, 175086, 229338, 252902, 257517, 262629, 301537, 331266, 379353, 496899, 515034, 525258, 603074, 758706, 772551, 904611, 993798, 1138059, 1490697, 1545102, 1809222, 2276118, 2713833, 2981394, 3414177, 3919981, 5427666, 6828354, 7839962, 8141499, 11759943, 16282998, 23519886, 35279829, 70559658, 105839487, 211678974]

約数ペア:

[(1, 211678974), (2, 105839487), (3, 70559658), (6, 35279829), (9, 23519886), (13, 16282998), (18, 11759943), (26, 8141499), (27, 7839962), (31, 6828354), (39, 5427666), (54, 3919981), (62, 3414177), (71, 2981394), (78, 2713833), (93, 2276118), (117, 1809222), (137, 1545102), (142, 1490697), (186, 1138059), (213, 993798), (234, 904611), (274, 772551), (279, 758706), (351, 603074), (403, 525258), (411, 515034), (426, 496899), (558, 379353), (639, 331266), (702, 301537), (806, 262629), (822, 257517), (837, 252902), (923, 229338), (1209, 175086), (1233, 171678), (1278, 165633), (1674, 126451), (1781, 118854), (1846, 114669), (1917, 110422), (2201, 96174), (2418, 87543), (2466, 85839), (2769, 76446), (3562, 59427), (3627, 58362), (3699, 57226), (3834, 55211), (4247, 49842), (4402, 48087), (5343, 39618), (5538, 38223), (6603, 32058), (7254, 29181), (7398, 28613), (8307, 25482), (8494, 24921), (9727, 21762), (10686, 19809), (10881, 19454), (12741, 16614), (13206, 16029)]