321572916

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1997}}^1$

素因数の和:2091

約数の個数: 120

約数和(自身を含む): 974768256

約数和(自身を除く): 653195340

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 71, 81, 84, 108, 126, 142, 162, 189, 213, 252, 284, 324, 378, 426, 497, 567, 639, 756, 852, 994, 1134, 1278, 1491, 1917, 1988, 1997, 2268, 2556, 2982, 3834, 3994, 4473, 5751, 5964, 5991, 7668, 7988, 8946, 11502, 11982, 13419, 13979, 17892, 17973, 23004, 23964, 26838, 27958, 35946, 40257, 41937, 53676, 53919, 55916, 71892, 80514, 83874, 107838, 125811, 141787, 161028, 161757, 167748, 215676, 251622, 283574, 323514, 377433, 425361, 503244, 567148, 647028, 754866, 850722, 992509, 1132299, 1276083, 1509732, 1701444, 1985018, 2264598, 2552166, 2977527, 3828249, 3970036, 4529196, 5104332, 5955054, 7656498, 8932581, 11484747, 11910108, 15312996, 17865162, 22969494, 26797743, 35730324, 45938988, 53595486, 80393229, 107190972, 160786458, 321572916]

約数ペア:

[(1, 321572916), (2, 160786458), (3, 107190972), (4, 80393229), (6, 53595486), (7, 45938988), (9, 35730324), (12, 26797743), (14, 22969494), (18, 17865162), (21, 15312996), (27, 11910108), (28, 11484747), (36, 8932581), (42, 7656498), (54, 5955054), (63, 5104332), (71, 4529196), (81, 3970036), (84, 3828249), (108, 2977527), (126, 2552166), (142, 2264598), (162, 1985018), (189, 1701444), (213, 1509732), (252, 1276083), (284, 1132299), (324, 992509), (378, 850722), (426, 754866), (497, 647028), (567, 567148), (639, 503244), (756, 425361), (852, 377433), (994, 323514), (1134, 283574), (1278, 251622), (1491, 215676), (1917, 167748), (1988, 161757), (1997, 161028), (2268, 141787), (2556, 125811), (2982, 107838), (3834, 83874), (3994, 80514), (4473, 71892), (5751, 55916), (5964, 53919), (5991, 53676), (7668, 41937), (7988, 40257), (8946, 35946), (11502, 27958), (11982, 26838), (13419, 23964), (13979, 23004), (17892, 17973)]