161997192

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5639}}^1$

素因数の和:5680

約数の個数: 128

約数和(自身を含む): 541440000

約数和(自身を除く): 379442808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 84, 108, 114, 126, 133, 152, 168, 171, 189, 216, 228, 252, 266, 342, 378, 399, 456, 504, 513, 532, 684, 756, 798, 1026, 1064, 1197, 1368, 1512, 1596, 2052, 2394, 3192, 3591, 4104, 4788, 5639, 7182, 9576, 11278, 14364, 16917, 22556, 28728, 33834, 39473, 45112, 50751, 67668, 78946, 101502, 107141, 118419, 135336, 152253, 157892, 203004, 214282, 236838, 304506, 315784, 321423, 355257, 406008, 428564, 473676, 609012, 642846, 710514, 749987, 857128, 947352, 964269, 1065771, 1218024, 1285692, 1421028, 1499974, 1928538, 2131542, 2249961, 2571384, 2842056, 2892807, 2999948, 3857076, 4263084, 4499922, 5785614, 5999896, 6749883, 7714152, 8526168, 8999844, 11571228, 13499766, 17999688, 20249649, 23142456, 26999532, 40499298, 53999064, 80998596, 161997192]

約数ペア:

[(1, 161997192), (2, 80998596), (3, 53999064), (4, 40499298), (6, 26999532), (7, 23142456), (8, 20249649), (9, 17999688), (12, 13499766), (14, 11571228), (18, 8999844), (19, 8526168), (21, 7714152), (24, 6749883), (27, 5999896), (28, 5785614), (36, 4499922), (38, 4263084), (42, 3857076), (54, 2999948), (56, 2892807), (57, 2842056), (63, 2571384), (72, 2249961), (76, 2131542), (84, 1928538), (108, 1499974), (114, 1421028), (126, 1285692), (133, 1218024), (152, 1065771), (168, 964269), (171, 947352), (189, 857128), (216, 749987), (228, 710514), (252, 642846), (266, 609012), (342, 473676), (378, 428564), (399, 406008), (456, 355257), (504, 321423), (513, 315784), (532, 304506), (684, 236838), (756, 214282), (798, 203004), (1026, 157892), (1064, 152253), (1197, 135336), (1368, 118419), (1512, 107141), (1596, 101502), (2052, 78946), (2394, 67668), (3192, 50751), (3591, 45112), (4104, 39473), (4788, 33834), (5639, 28728), (7182, 22556), (9576, 16917), (11278, 14364)]