51172016

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:346

約数の個数: 80

約数和(自身を含む): 120825600

約数和(自身を除く): 69653584

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 139, 152, 173, 266, 278, 304, 346, 532, 556, 692, 973, 1064, 1112, 1211, 1384, 1946, 2128, 2224, 2422, 2641, 2768, 3287, 3892, 4844, 5282, 6574, 7784, 9688, 10564, 13148, 15568, 18487, 19376, 21128, 23009, 24047, 26296, 36974, 42256, 46018, 48094, 52592, 73948, 92036, 96188, 147896, 168329, 184072, 192376, 295792, 336658, 368144, 384752, 456893, 673316, 913786, 1346632, 1827572, 2693264, 3198251, 3655144, 6396502, 7310288, 12793004, 25586008, 51172016]

約数ペア:

[(1, 51172016), (2, 25586008), (4, 12793004), (7, 7310288), (8, 6396502), (14, 3655144), (16, 3198251), (19, 2693264), (28, 1827572), (38, 1346632), (56, 913786), (76, 673316), (112, 456893), (133, 384752), (139, 368144), (152, 336658), (173, 295792), (266, 192376), (278, 184072), (304, 168329), (346, 147896), (532, 96188), (556, 92036), (692, 73948), (973, 52592), (1064, 48094), (1112, 46018), (1211, 42256), (1384, 36974), (1946, 26296), (2128, 24047), (2224, 23009), (2422, 21128), (2641, 19376), (2768, 18487), (3287, 15568), (3892, 13148), (4844, 10564), (5282, 9688), (6574, 7784)]