388167416

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 144

約数和(自身を含む): 966840840

約数和(自身を除く): 578673424

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 49, 52, 56, 76, 91, 98, 104, 133, 152, 182, 196, 211, 247, 266, 361, 364, 392, 422, 494, 532, 637, 722, 728, 844, 931, 988, 1064, 1274, 1444, 1477, 1688, 1729, 1862, 1976, 2527, 2548, 2743, 2888, 2954, 3458, 3724, 4009, 4693, 5054, 5096, 5486, 5908, 6916, 7448, 8018, 9386, 10108, 10339, 10972, 11816, 12103, 13832, 16036, 17689, 18772, 19201, 20216, 20678, 21944, 24206, 28063, 32072, 32851, 35378, 37544, 38402, 41356, 48412, 52117, 56126, 65702, 70756, 76171, 76804, 82712, 96824, 104234, 112252, 131404, 134407, 141512, 152342, 153608, 196441, 208468, 224504, 229957, 262808, 268814, 304684, 364819, 392882, 416936, 459914, 533197, 537628, 609368, 729638, 785764, 919828, 990223, 1066394, 1075256, 1459276, 1571528, 1839656, 1980446, 2132788, 2553733, 2918552, 3732379, 3960892, 4265576, 5107466, 6931561, 7464758, 7921784, 10214932, 13863122, 14929516, 20429864, 27726244, 29859032, 48520927, 55452488, 97041854, 194083708, 388167416]

約数ペア:

[(1, 388167416), (2, 194083708), (4, 97041854), (7, 55452488), (8, 48520927), (13, 29859032), (14, 27726244), (19, 20429864), (26, 14929516), (28, 13863122), (38, 10214932), (49, 7921784), (52, 7464758), (56, 6931561), (76, 5107466), (91, 4265576), (98, 3960892), (104, 3732379), (133, 2918552), (152, 2553733), (182, 2132788), (196, 1980446), (211, 1839656), (247, 1571528), (266, 1459276), (361, 1075256), (364, 1066394), (392, 990223), (422, 919828), (494, 785764), (532, 729638), (637, 609368), (722, 537628), (728, 533197), (844, 459914), (931, 416936), (988, 392882), (1064, 364819), (1274, 304684), (1444, 268814), (1477, 262808), (1688, 229957), (1729, 224504), (1862, 208468), (1976, 196441), (2527, 153608), (2548, 152342), (2743, 141512), (2888, 134407), (2954, 131404), (3458, 112252), (3724, 104234), (4009, 96824), (4693, 82712), (5054, 76804), (5096, 76171), (5486, 70756), (5908, 65702), (6916, 56126), (7448, 52117), (8018, 48412), (9386, 41356), (10108, 38402), (10339, 37544), (10972, 35378), (11816, 32851), (12103, 32072), (13832, 28063), (16036, 24206), (17689, 21944), (18772, 20678), (19201, 20216)]