215767412

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{1291}}^1$

素因数の和:1476

約数の個数: 48

約数和(自身を含む): 444530688

約数和(自身を除く): 228763276

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 127, 188, 254, 329, 508, 658, 889, 1291, 1316, 1778, 2582, 3556, 5164, 5969, 9037, 11938, 18074, 23876, 36148, 41783, 60677, 83566, 121354, 163957, 167132, 242708, 327914, 424739, 655828, 849478, 1147699, 1698956, 2295398, 4590796, 7705979, 15411958, 30823916, 53941853, 107883706, 215767412]

約数ペア:

[(1, 215767412), (2, 107883706), (4, 53941853), (7, 30823916), (14, 15411958), (28, 7705979), (47, 4590796), (94, 2295398), (127, 1698956), (188, 1147699), (254, 849478), (329, 655828), (508, 424739), (658, 327914), (889, 242708), (1291, 167132), (1316, 163957), (1778, 121354), (2582, 83566), (3556, 60677), (5164, 41783), (5969, 36148), (9037, 23876), (11938, 18074)]