221628372

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 631709568

約数和(自身を除く): 410081196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 49, 61, 74, 84, 98, 111, 122, 147, 148, 167, 183, 196, 222, 244, 259, 294, 334, 366, 427, 444, 501, 518, 588, 668, 732, 777, 854, 1002, 1036, 1169, 1281, 1554, 1708, 1813, 2004, 2257, 2338, 2562, 2989, 3108, 3507, 3626, 4514, 4676, 5124, 5439, 5978, 6179, 6771, 7014, 7252, 8183, 8967, 9028, 10187, 10878, 11956, 12358, 13542, 14028, 15799, 16366, 17934, 18537, 20374, 21756, 24549, 24716, 27084, 30561, 31598, 32732, 35868, 37074, 40748, 43253, 47397, 49098, 61122, 63196, 71309, 74148, 86506, 94794, 98196, 110593, 122244, 129759, 142618, 173012, 189588, 213927, 221186, 259518, 285236, 302771, 331779, 376919, 427854, 442372, 499163, 519036, 605542, 663558, 753838, 855708, 908313, 998326, 1130757, 1211084, 1327116, 1497489, 1507676, 1816626, 1996652, 2261514, 2638433, 2994978, 3633252, 4523028, 5276866, 5989956, 7915299, 10553732, 15830598, 18469031, 31661196, 36938062, 55407093, 73876124, 110814186, 221628372]

約数ペア:

[(1, 221628372), (2, 110814186), (3, 73876124), (4, 55407093), (6, 36938062), (7, 31661196), (12, 18469031), (14, 15830598), (21, 10553732), (28, 7915299), (37, 5989956), (42, 5276866), (49, 4523028), (61, 3633252), (74, 2994978), (84, 2638433), (98, 2261514), (111, 1996652), (122, 1816626), (147, 1507676), (148, 1497489), (167, 1327116), (183, 1211084), (196, 1130757), (222, 998326), (244, 908313), (259, 855708), (294, 753838), (334, 663558), (366, 605542), (427, 519036), (444, 499163), (501, 442372), (518, 427854), (588, 376919), (668, 331779), (732, 302771), (777, 285236), (854, 259518), (1002, 221186), (1036, 213927), (1169, 189588), (1281, 173012), (1554, 142618), (1708, 129759), (1813, 122244), (2004, 110593), (2257, 98196), (2338, 94794), (2562, 86506), (2989, 74148), (3108, 71309), (3507, 63196), (3626, 61122), (4514, 49098), (4676, 47397), (5124, 43253), (5439, 40748), (5978, 37074), (6179, 35868), (6771, 32732), (7014, 31598), (7252, 30561), (8183, 27084), (8967, 24716), (9028, 24549), (10187, 21756), (10878, 20374), (11956, 18537), (12358, 17934), (13542, 16366), (14028, 15799)]