31297084

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 69981408

約数和(自身を除く): 38684324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 71, 91, 98, 142, 173, 182, 196, 284, 346, 364, 497, 637, 692, 923, 994, 1211, 1274, 1846, 1988, 2249, 2422, 2548, 3479, 3692, 4498, 4844, 6461, 6958, 8477, 8996, 12283, 12922, 13916, 15743, 16954, 24566, 25844, 31486, 33908, 45227, 49132, 62972, 85981, 90454, 110201, 159679, 171962, 180908, 220402, 319358, 343924, 440804, 601867, 638716, 1117753, 1203734, 2235506, 2407468, 4471012, 7824271, 15648542, 31297084]

約数ペア:

[(1, 31297084), (2, 15648542), (4, 7824271), (7, 4471012), (13, 2407468), (14, 2235506), (26, 1203734), (28, 1117753), (49, 638716), (52, 601867), (71, 440804), (91, 343924), (98, 319358), (142, 220402), (173, 180908), (182, 171962), (196, 159679), (284, 110201), (346, 90454), (364, 85981), (497, 62972), (637, 49132), (692, 45227), (923, 33908), (994, 31486), (1211, 25844), (1274, 24566), (1846, 16954), (1988, 15743), (2249, 13916), (2422, 12922), (2548, 12283), (3479, 8996), (3692, 8477), (4498, 6958), (4844, 6461)]