17278638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 22638162

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 89, 114, 131, 178, 247, 262, 267, 393, 494, 534, 741, 786, 1157, 1482, 1691, 1703, 2314, 2489, 3382, 3406, 3471, 4978, 5073, 5109, 6942, 7467, 10146, 10218, 11659, 14934, 21983, 23318, 32357, 34977, 43966, 64714, 65949, 69954, 97071, 131898, 151567, 194142, 221521, 303134, 443042, 454701, 664563, 909402, 1329126, 2879773, 5759546, 8639319, 17278638]

約数ペア:

[(1, 17278638), (2, 8639319), (3, 5759546), (6, 2879773), (13, 1329126), (19, 909402), (26, 664563), (38, 454701), (39, 443042), (57, 303134), (78, 221521), (89, 194142), (114, 151567), (131, 131898), (178, 97071), (247, 69954), (262, 65949), (267, 64714), (393, 43966), (494, 34977), (534, 32357), (741, 23318), (786, 21983), (1157, 14934), (1482, 11659), (1691, 10218), (1703, 10146), (2314, 7467), (2489, 6942), (3382, 5109), (3406, 5073), (3471, 4978)]