25491251884

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1\times {\mathrm{953}}^1$

素因数の和:1487

約数の個数: 96

約数和(自身を含む): 54261688320

約数和(自身を除く): 28770436436

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 137, 266, 274, 367, 532, 548, 734, 953, 959, 1468, 1906, 1918, 2569, 2603, 3812, 3836, 5138, 5206, 6671, 6973, 10276, 10412, 13342, 13946, 18107, 18221, 26684, 27892, 36214, 36442, 48811, 50279, 72428, 72884, 97622, 100558, 126749, 130561, 195244, 201116, 253498, 261122, 349751, 351953, 506996, 522244, 699502, 703906, 913927, 955301, 1399004, 1407812, 1827854, 1910602, 2448257, 2480659, 3655708, 3821204, 4896514, 4961318, 6645269, 6687107, 9793028, 9922636, 13290538, 13374214, 17364613, 26581076, 26748428, 34729226, 46516883, 47915887, 69458452, 93033766, 95831774, 186067532, 191663548, 335411209, 670822418, 910401853, 1341644836, 1820803706, 3641607412, 6372812971, 12745625942, 25491251884]

約数ペア:

[(1, 25491251884), (2, 12745625942), (4, 6372812971), (7, 3641607412), (14, 1820803706), (19, 1341644836), (28, 910401853), (38, 670822418), (76, 335411209), (133, 191663548), (137, 186067532), (266, 95831774), (274, 93033766), (367, 69458452), (532, 47915887), (548, 46516883), (734, 34729226), (953, 26748428), (959, 26581076), (1468, 17364613), (1906, 13374214), (1918, 13290538), (2569, 9922636), (2603, 9793028), (3812, 6687107), (3836, 6645269), (5138, 4961318), (5206, 4896514), (6671, 3821204), (6973, 3655708), (10276, 2480659), (10412, 2448257), (13342, 1910602), (13946, 1827854), (18107, 1407812), (18221, 1399004), (26684, 955301), (27892, 913927), (36214, 703906), (36442, 699502), (48811, 522244), (50279, 506996), (72428, 351953), (72884, 349751), (97622, 261122), (100558, 253498), (126749, 201116), (130561, 195244)]