138507908

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3779}}^1$

素因数の和:3825

約数の個数: 72

約数和(自身を含む): 325775520

約数和(自身を除く): 187267612

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 49, 68, 77, 98, 119, 154, 187, 196, 238, 308, 374, 476, 539, 748, 833, 1078, 1309, 1666, 2156, 2618, 3332, 3779, 5236, 7558, 9163, 15116, 18326, 26453, 36652, 41569, 52906, 64243, 83138, 105812, 128486, 166276, 185171, 256972, 290983, 370342, 449701, 581966, 706673, 740684, 899402, 1163932, 1413346, 1798804, 2036881, 2826692, 3147907, 4073762, 4946711, 6295814, 8147524, 9893422, 12591628, 19786844, 34626977, 69253954, 138507908]

約数ペア:

[(1, 138507908), (2, 69253954), (4, 34626977), (7, 19786844), (11, 12591628), (14, 9893422), (17, 8147524), (22, 6295814), (28, 4946711), (34, 4073762), (44, 3147907), (49, 2826692), (68, 2036881), (77, 1798804), (98, 1413346), (119, 1163932), (154, 899402), (187, 740684), (196, 706673), (238, 581966), (308, 449701), (374, 370342), (476, 290983), (539, 256972), (748, 185171), (833, 166276), (1078, 128486), (1309, 105812), (1666, 83138), (2156, 64243), (2618, 52906), (3332, 41569), (3779, 36652), (5236, 26453), (7558, 18326), (9163, 15116)]