209253492

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{2393}}^1$

素因数の和:2757

約数の個数: 72

約数和(自身を含む): 606505536

約数和(自身を除く): 397252044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 347, 694, 1041, 1388, 2082, 2393, 2429, 3123, 4164, 4786, 4858, 6246, 7179, 7287, 9572, 9716, 12492, 14358, 14574, 16751, 21537, 21861, 28716, 29148, 33502, 43074, 43722, 50253, 67004, 86148, 87444, 100506, 150759, 201012, 301518, 603036, 830371, 1660742, 2491113, 3321484, 4982226, 5812597, 7473339, 9964452, 11625194, 14946678, 17437791, 23250388, 29893356, 34875582, 52313373, 69751164, 104626746, 209253492]

約数ペア:

[(1, 209253492), (2, 104626746), (3, 69751164), (4, 52313373), (6, 34875582), (7, 29893356), (9, 23250388), (12, 17437791), (14, 14946678), (18, 11625194), (21, 9964452), (28, 7473339), (36, 5812597), (42, 4982226), (63, 3321484), (84, 2491113), (126, 1660742), (252, 830371), (347, 603036), (694, 301518), (1041, 201012), (1388, 150759), (2082, 100506), (2393, 87444), (2429, 86148), (3123, 67004), (4164, 50253), (4786, 43722), (4858, 43074), (6246, 33502), (7179, 29148), (7287, 28716), (9572, 21861), (9716, 21537), (12492, 16751), (14358, 14574)]