161997444

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:370

約数の個数: 144

約数和(自身を含む): 490613760

約数和(自身を除く): 328616316

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 89, 93, 124, 126, 178, 186, 217, 233, 252, 267, 279, 356, 372, 434, 466, 534, 558, 623, 651, 699, 801, 868, 932, 1068, 1116, 1246, 1302, 1398, 1602, 1631, 1869, 1953, 2097, 2492, 2604, 2759, 2796, 3204, 3262, 3738, 3906, 4194, 4893, 5518, 5607, 6524, 7223, 7476, 7812, 8277, 8388, 9786, 11036, 11214, 14446, 14679, 16554, 19313, 19572, 20737, 21669, 22428, 24831, 28892, 29358, 33108, 38626, 41474, 43338, 49662, 50561, 57939, 58716, 62211, 65007, 77252, 82948, 86676, 99324, 101122, 115878, 124422, 130014, 145159, 151683, 173817, 186633, 202244, 231756, 248844, 260028, 290318, 303366, 347634, 373266, 435477, 455049, 580636, 606732, 642847, 695268, 746532, 870954, 910098, 1285694, 1306431, 1741908, 1820196, 1928541, 2571388, 2612862, 3857082, 4499929, 5225724, 5785623, 7714164, 8999858, 11571246, 13499787, 17999716, 23142492, 26999574, 40499361, 53999148, 80998722, 161997444]

約数ペア:

[(1, 161997444), (2, 80998722), (3, 53999148), (4, 40499361), (6, 26999574), (7, 23142492), (9, 17999716), (12, 13499787), (14, 11571246), (18, 8999858), (21, 7714164), (28, 5785623), (31, 5225724), (36, 4499929), (42, 3857082), (62, 2612862), (63, 2571388), (84, 1928541), (89, 1820196), (93, 1741908), (124, 1306431), (126, 1285694), (178, 910098), (186, 870954), (217, 746532), (233, 695268), (252, 642847), (267, 606732), (279, 580636), (356, 455049), (372, 435477), (434, 373266), (466, 347634), (534, 303366), (558, 290318), (623, 260028), (651, 248844), (699, 231756), (801, 202244), (868, 186633), (932, 173817), (1068, 151683), (1116, 145159), (1246, 130014), (1302, 124422), (1398, 115878), (1602, 101122), (1631, 99324), (1869, 86676), (1953, 82948), (2097, 77252), (2492, 65007), (2604, 62211), (2759, 58716), (2796, 57939), (3204, 50561), (3262, 49662), (3738, 43338), (3906, 41474), (4194, 38626), (4893, 33108), (5518, 29358), (5607, 28892), (6524, 24831), (7223, 22428), (7476, 21669), (7812, 20737), (8277, 19572), (8388, 19313), (9786, 16554), (11036, 14679), (11214, 14446)]