138912876

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4723}}^1$

素因数の和:4795

約数の個数: 72

約数和(自身を含む): 378297920

約数和(自身を除く): 239385044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 43, 57, 76, 86, 114, 129, 171, 172, 228, 258, 342, 387, 516, 684, 774, 817, 1548, 1634, 2451, 3268, 4723, 4902, 7353, 9446, 9804, 14169, 14706, 18892, 28338, 29412, 42507, 56676, 85014, 89737, 170028, 179474, 203089, 269211, 358948, 406178, 538422, 609267, 807633, 812356, 1076844, 1218534, 1615266, 1827801, 2437068, 3230532, 3655602, 3858691, 7311204, 7717382, 11576073, 15434764, 23152146, 34728219, 46304292, 69456438, 138912876]

約数ペア:

[(1, 138912876), (2, 69456438), (3, 46304292), (4, 34728219), (6, 23152146), (9, 15434764), (12, 11576073), (18, 7717382), (19, 7311204), (36, 3858691), (38, 3655602), (43, 3230532), (57, 2437068), (76, 1827801), (86, 1615266), (114, 1218534), (129, 1076844), (171, 812356), (172, 807633), (228, 609267), (258, 538422), (342, 406178), (387, 358948), (516, 269211), (684, 203089), (774, 179474), (817, 170028), (1548, 89737), (1634, 85014), (2451, 56676), (3268, 42507), (4723, 29412), (4902, 28338), (7353, 18892), (9446, 14706), (9804, 14169)]