261839916

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{32911}}^1$

素因数の和:32951

約数の個数: 72

約数和(自身を含む): 754737984

約数和(自身を除く): 492898068

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3978, 7956, 32911, 65822, 98733, 131644, 197466, 296199, 394932, 427843, 559487, 592398, 855686, 1118974, 1184796, 1283529, 1678461, 1711372, 2237948, 2567058, 3356922, 3850587, 5035383, 5134116, 6713844, 7273331, 7701174, 10070766, 14546662, 15402348, 20141532, 21819993, 29093324, 43639986, 65459979, 87279972, 130919958, 261839916]

約数ペア:

[(1, 261839916), (2, 130919958), (3, 87279972), (4, 65459979), (6, 43639986), (9, 29093324), (12, 21819993), (13, 20141532), (17, 15402348), (18, 14546662), (26, 10070766), (34, 7701174), (36, 7273331), (39, 6713844), (51, 5134116), (52, 5035383), (68, 3850587), (78, 3356922), (102, 2567058), (117, 2237948), (153, 1711372), (156, 1678461), (204, 1283529), (221, 1184796), (234, 1118974), (306, 855686), (442, 592398), (468, 559487), (612, 427843), (663, 394932), (884, 296199), (1326, 197466), (1989, 131644), (2652, 98733), (3978, 65822), (7956, 32911)]