77890515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 138184704

約数和(自身を除く): 60294189

約数列:

[1, 3, 5, 15, 17, 47, 51, 67, 85, 97, 141, 201, 235, 255, 291, 335, 485, 705, 799, 1005, 1139, 1455, 1649, 2397, 3149, 3417, 3995, 4559, 4947, 5695, 6499, 8245, 9447, 11985, 13677, 15745, 17085, 19497, 22795, 24735, 32495, 47235, 53533, 68385, 77503, 97485, 110483, 160599, 232509, 267665, 305453, 331449, 387515, 552415, 802995, 916359, 1162545, 1527265, 1657245, 4581795, 5192701, 15578103, 25963505, 77890515]

約数ペア:

[(1, 77890515), (3, 25963505), (5, 15578103), (15, 5192701), (17, 4581795), (47, 1657245), (51, 1527265), (67, 1162545), (85, 916359), (97, 802995), (141, 552415), (201, 387515), (235, 331449), (255, 305453), (291, 267665), (335, 232509), (485, 160599), (705, 110483), (799, 97485), (1005, 77503), (1139, 68385), (1455, 53533), (1649, 47235), (2397, 32495), (3149, 24735), (3417, 22795), (3995, 19497), (4559, 17085), (4947, 15745), (5695, 13677), (6499, 11985), (8245, 9447)]