28435866

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:116

約数の個数: 72

約数和(自身を含む): 65192064

約数和(自身を除く): 36756198

約数列:

[1, 2, 3, 6, 17, 23, 31, 34, 46, 51, 62, 69, 93, 102, 138, 186, 289, 391, 527, 529, 578, 713, 782, 867, 1054, 1058, 1173, 1426, 1581, 1587, 1734, 2139, 2346, 3162, 3174, 4278, 6647, 8959, 8993, 12121, 13294, 16399, 17918, 17986, 19941, 24242, 26877, 26979, 32798, 36363, 39882, 49197, 53754, 53958, 72726, 98394, 152881, 206057, 278783, 305762, 412114, 458643, 557566, 618171, 836349, 917286, 1236342, 1672698, 4739311, 9478622, 14217933, 28435866]

約数ペア:

[(1, 28435866), (2, 14217933), (3, 9478622), (6, 4739311), (17, 1672698), (23, 1236342), (31, 917286), (34, 836349), (46, 618171), (51, 557566), (62, 458643), (69, 412114), (93, 305762), (102, 278783), (138, 206057), (186, 152881), (289, 98394), (391, 72726), (527, 53958), (529, 53754), (578, 49197), (713, 39882), (782, 36363), (867, 32798), (1054, 26979), (1058, 26877), (1173, 24242), (1426, 19941), (1581, 17986), (1587, 17918), (1734, 16399), (2139, 13294), (2346, 12121), (3162, 8993), (3174, 8959), (4278, 6647)]