25215204

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 75203520

約数和(自身を除く): 49988316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 37, 38, 42, 49, 57, 61, 74, 76, 84, 98, 111, 114, 122, 133, 147, 148, 183, 196, 222, 228, 244, 259, 266, 294, 366, 399, 427, 444, 518, 532, 588, 703, 732, 777, 798, 854, 931, 1036, 1159, 1281, 1406, 1554, 1596, 1708, 1813, 1862, 2109, 2257, 2318, 2562, 2793, 2812, 2989, 3108, 3477, 3626, 3724, 4218, 4514, 4636, 4921, 5124, 5439, 5586, 5978, 6771, 6954, 7252, 8113, 8436, 8967, 9028, 9842, 10878, 11172, 11956, 13542, 13908, 14763, 15799, 16226, 17934, 19684, 21756, 24339, 27084, 29526, 31598, 32452, 34447, 35868, 42883, 47397, 48678, 56791, 59052, 63196, 68894, 85766, 94794, 97356, 103341, 110593, 113582, 128649, 137788, 170373, 171532, 189588, 206682, 221186, 227164, 257298, 300181, 331779, 340746, 413364, 442372, 514596, 600362, 663558, 681492, 900543, 1200724, 1327116, 1801086, 2101267, 3602172, 4202534, 6303801, 8405068, 12607602, 25215204]

約数ペア:

[(1, 25215204), (2, 12607602), (3, 8405068), (4, 6303801), (6, 4202534), (7, 3602172), (12, 2101267), (14, 1801086), (19, 1327116), (21, 1200724), (28, 900543), (37, 681492), (38, 663558), (42, 600362), (49, 514596), (57, 442372), (61, 413364), (74, 340746), (76, 331779), (84, 300181), (98, 257298), (111, 227164), (114, 221186), (122, 206682), (133, 189588), (147, 171532), (148, 170373), (183, 137788), (196, 128649), (222, 113582), (228, 110593), (244, 103341), (259, 97356), (266, 94794), (294, 85766), (366, 68894), (399, 63196), (427, 59052), (444, 56791), (518, 48678), (532, 47397), (588, 42883), (703, 35868), (732, 34447), (777, 32452), (798, 31598), (854, 29526), (931, 27084), (1036, 24339), (1159, 21756), (1281, 19684), (1406, 17934), (1554, 16226), (1596, 15799), (1708, 14763), (1813, 13908), (1862, 13542), (2109, 11956), (2257, 11172), (2318, 10878), (2562, 9842), (2793, 9028), (2812, 8967), (2989, 8436), (3108, 8113), (3477, 7252), (3626, 6954), (3724, 6771), (4218, 5978), (4514, 5586), (4636, 5439), (4921, 5124)]