66969868

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 146512800

約数和(自身を除く): 79542932

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 101, 119, 196, 199, 202, 238, 398, 404, 476, 707, 796, 833, 1393, 1414, 1666, 1717, 2786, 2828, 3332, 3383, 3434, 4949, 5572, 6766, 6868, 9751, 9898, 12019, 13532, 19502, 19796, 20099, 23681, 24038, 39004, 40198, 47362, 48076, 80396, 84133, 94724, 140693, 165767, 168266, 281386, 331534, 336532, 341683, 562772, 663068, 683366, 984851, 1366732, 1969702, 2391781, 3939404, 4783562, 9567124, 16742467, 33484934, 66969868]

約数ペア:

[(1, 66969868), (2, 33484934), (4, 16742467), (7, 9567124), (14, 4783562), (17, 3939404), (28, 2391781), (34, 1969702), (49, 1366732), (68, 984851), (98, 683366), (101, 663068), (119, 562772), (196, 341683), (199, 336532), (202, 331534), (238, 281386), (398, 168266), (404, 165767), (476, 140693), (707, 94724), (796, 84133), (833, 80396), (1393, 48076), (1414, 47362), (1666, 40198), (1717, 39004), (2786, 24038), (2828, 23681), (3332, 20099), (3383, 19796), (3434, 19502), (4949, 13532), (5572, 12019), (6766, 9898), (6868, 9751)]