491519756

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1013}}^1$

素因数の和:1111

約数の個数: 96

約数和(自身を含む): 1119326208

約数和(自身を除く): 627806452

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 43, 52, 62, 86, 91, 124, 172, 182, 217, 301, 364, 403, 434, 559, 602, 806, 868, 1013, 1118, 1204, 1333, 1612, 2026, 2236, 2666, 2821, 3913, 4052, 5332, 5642, 7091, 7826, 9331, 11284, 13169, 14182, 15652, 17329, 18662, 26338, 28364, 31403, 34658, 37324, 43559, 52676, 62806, 69316, 87118, 92183, 121303, 125612, 174236, 184366, 219821, 242606, 304913, 368732, 408239, 439642, 485212, 566267, 609826, 816478, 879284, 1132534, 1219652, 1350329, 1632956, 2265068, 2700658, 2857673, 3963869, 5401316, 5715346, 7927738, 9452303, 11430692, 15855476, 17554277, 18904606, 35108554, 37809212, 70217108, 122879939, 245759878, 491519756]

約数ペア:

[(1, 491519756), (2, 245759878), (4, 122879939), (7, 70217108), (13, 37809212), (14, 35108554), (26, 18904606), (28, 17554277), (31, 15855476), (43, 11430692), (52, 9452303), (62, 7927738), (86, 5715346), (91, 5401316), (124, 3963869), (172, 2857673), (182, 2700658), (217, 2265068), (301, 1632956), (364, 1350329), (403, 1219652), (434, 1132534), (559, 879284), (602, 816478), (806, 609826), (868, 566267), (1013, 485212), (1118, 439642), (1204, 408239), (1333, 368732), (1612, 304913), (2026, 242606), (2236, 219821), (2666, 184366), (2821, 174236), (3913, 125612), (4052, 121303), (5332, 92183), (5642, 87118), (7091, 69316), (7826, 62806), (9331, 52676), (11284, 43559), (13169, 37324), (14182, 34658), (15652, 31403), (17329, 28364), (18662, 26338)]