161509504

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:190

約数の個数: 96

約数和(自身を含む): 361591020

約数和(自身を除く): 200081516

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 101, 104, 124, 128, 202, 208, 248, 403, 404, 416, 496, 806, 808, 832, 961, 992, 1313, 1612, 1616, 1664, 1922, 1984, 2626, 3131, 3224, 3232, 3844, 3968, 5252, 6262, 6448, 6464, 7688, 10504, 12493, 12524, 12896, 12928, 15376, 21008, 24986, 25048, 25792, 30752, 40703, 42016, 49972, 50096, 51584, 61504, 81406, 84032, 97061, 99944, 100192, 123008, 162812, 168064, 194122, 199888, 200384, 325624, 388244, 399776, 400768, 651248, 776488, 799552, 1261793, 1302496, 1552976, 1599104, 2523586, 2604992, 3105952, 5047172, 5209984, 6211904, 10094344, 12423808, 20188688, 40377376, 80754752, 161509504]

約数ペア:

[(1, 161509504), (2, 80754752), (4, 40377376), (8, 20188688), (13, 12423808), (16, 10094344), (26, 6211904), (31, 5209984), (32, 5047172), (52, 3105952), (62, 2604992), (64, 2523586), (101, 1599104), (104, 1552976), (124, 1302496), (128, 1261793), (202, 799552), (208, 776488), (248, 651248), (403, 400768), (404, 399776), (416, 388244), (496, 325624), (806, 200384), (808, 199888), (832, 194122), (961, 168064), (992, 162812), (1313, 123008), (1612, 100192), (1616, 99944), (1664, 97061), (1922, 84032), (1984, 81406), (2626, 61504), (3131, 51584), (3224, 50096), (3232, 49972), (3844, 42016), (3968, 40703), (5252, 30752), (6262, 25792), (6448, 25048), (6464, 24986), (7688, 21008), (10504, 15376), (12493, 12928), (12524, 12896)]