28411782

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 68290560

約数和(自身を除く): 39878778

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 47, 74, 94, 111, 141, 222, 259, 282, 329, 389, 518, 658, 777, 778, 987, 1167, 1554, 1739, 1974, 2334, 2723, 3478, 5217, 5446, 8169, 10434, 12173, 14393, 16338, 18283, 24346, 28786, 36519, 36566, 43179, 54849, 73038, 86358, 100751, 109698, 127981, 201502, 255962, 302253, 383943, 604506, 676471, 767886, 1352942, 2029413, 4058826, 4735297, 9470594, 14205891, 28411782]

約数ペア:

[(1, 28411782), (2, 14205891), (3, 9470594), (6, 4735297), (7, 4058826), (14, 2029413), (21, 1352942), (37, 767886), (42, 676471), (47, 604506), (74, 383943), (94, 302253), (111, 255962), (141, 201502), (222, 127981), (259, 109698), (282, 100751), (329, 86358), (389, 73038), (518, 54849), (658, 43179), (777, 36566), (778, 36519), (987, 28786), (1167, 24346), (1554, 18283), (1739, 16338), (1974, 14393), (2334, 12173), (2723, 10434), (3478, 8169), (5217, 5446)]