28318428

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^2\times {\mathrm{1487}}^1$

素因数の和:1543

約数の個数: 54

約数和(自身を含む): 74880624

約数和(自身を除く): 46562196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 529, 828, 1058, 1487, 1587, 2116, 2974, 3174, 4461, 4761, 5948, 6348, 8922, 9522, 13383, 17844, 19044, 26766, 34201, 53532, 68402, 102603, 136804, 205206, 307809, 410412, 615618, 786623, 1231236, 1573246, 2359869, 3146492, 4719738, 7079607, 9439476, 14159214, 28318428]

約数ペア:

[(1, 28318428), (2, 14159214), (3, 9439476), (4, 7079607), (6, 4719738), (9, 3146492), (12, 2359869), (18, 1573246), (23, 1231236), (36, 786623), (46, 615618), (69, 410412), (92, 307809), (138, 205206), (207, 136804), (276, 102603), (414, 68402), (529, 53532), (828, 34201), (1058, 26766), (1487, 19044), (1587, 17844), (2116, 13383), (2974, 9522), (3174, 8922), (4461, 6348), (4761, 5948)]