321131268

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{4591}}^1$

素因数の和:4697

約数の個数: 72

約数和(自身を含む): 852458880

約数和(自身を除く): 531327612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 67, 87, 116, 134, 174, 201, 261, 268, 348, 402, 522, 603, 804, 1044, 1206, 1943, 2412, 3886, 4591, 5829, 7772, 9182, 11658, 13773, 17487, 18364, 23316, 27546, 34974, 41319, 55092, 69948, 82638, 133139, 165276, 266278, 307597, 399417, 532556, 615194, 798834, 922791, 1198251, 1230388, 1597668, 1845582, 2396502, 2768373, 3691164, 4793004, 5536746, 8920313, 11073492, 17840626, 26760939, 35681252, 53521878, 80282817, 107043756, 160565634, 321131268]

約数ペア:

[(1, 321131268), (2, 160565634), (3, 107043756), (4, 80282817), (6, 53521878), (9, 35681252), (12, 26760939), (18, 17840626), (29, 11073492), (36, 8920313), (58, 5536746), (67, 4793004), (87, 3691164), (116, 2768373), (134, 2396502), (174, 1845582), (201, 1597668), (261, 1230388), (268, 1198251), (348, 922791), (402, 798834), (522, 615194), (603, 532556), (804, 399417), (1044, 307597), (1206, 266278), (1943, 165276), (2412, 133139), (3886, 82638), (4591, 69948), (5829, 55092), (7772, 41319), (9182, 34974), (11658, 27546), (13773, 23316), (17487, 18364)]