398126988

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9239}}^1$

素因数の和:9281

約数の個数: 120

約数和(自身を含む): 1252204800

約数和(自身を除く): 854077812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 81, 84, 108, 114, 126, 133, 162, 171, 189, 228, 252, 266, 324, 342, 378, 399, 513, 532, 567, 684, 756, 798, 1026, 1134, 1197, 1539, 1596, 2052, 2268, 2394, 3078, 3591, 4788, 6156, 7182, 9239, 10773, 14364, 18478, 21546, 27717, 36956, 43092, 55434, 64673, 83151, 110868, 129346, 166302, 175541, 194019, 249453, 258692, 332604, 351082, 388038, 498906, 526623, 582057, 702164, 748359, 776076, 997812, 1053246, 1164114, 1228787, 1496718, 1579869, 1746171, 2106492, 2328228, 2457574, 2993436, 3159738, 3492342, 3686361, 4739607, 4915148, 5238513, 6319476, 6984684, 7372722, 9479214, 10477026, 11059083, 14218821, 14745444, 18958428, 20954052, 22118166, 28437642, 33177249, 44236332, 56875284, 66354498, 99531747, 132708996, 199063494, 398126988]

約数ペア:

[(1, 398126988), (2, 199063494), (3, 132708996), (4, 99531747), (6, 66354498), (7, 56875284), (9, 44236332), (12, 33177249), (14, 28437642), (18, 22118166), (19, 20954052), (21, 18958428), (27, 14745444), (28, 14218821), (36, 11059083), (38, 10477026), (42, 9479214), (54, 7372722), (57, 6984684), (63, 6319476), (76, 5238513), (81, 4915148), (84, 4739607), (108, 3686361), (114, 3492342), (126, 3159738), (133, 2993436), (162, 2457574), (171, 2328228), (189, 2106492), (228, 1746171), (252, 1579869), (266, 1496718), (324, 1228787), (342, 1164114), (378, 1053246), (399, 997812), (513, 776076), (532, 748359), (567, 702164), (684, 582057), (756, 526623), (798, 498906), (1026, 388038), (1134, 351082), (1197, 332604), (1539, 258692), (1596, 249453), (2052, 194019), (2268, 175541), (2394, 166302), (3078, 129346), (3591, 110868), (4788, 83151), (6156, 64673), (7182, 55434), (9239, 43092), (10773, 36956), (14364, 27717), (18478, 21546)]