72344545

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 115605504

約数和(自身を除く): 43260959

約数列:

[1, 5, 7, 13, 23, 31, 35, 65, 91, 115, 155, 161, 217, 223, 299, 403, 455, 713, 805, 1085, 1115, 1495, 1561, 2015, 2093, 2821, 2899, 3565, 4991, 5129, 6913, 7805, 9269, 10465, 14105, 14495, 20293, 24955, 25645, 34565, 35903, 46345, 48391, 64883, 66677, 89869, 101465, 158999, 179515, 241955, 324415, 333385, 449345, 466739, 629083, 794995, 1112993, 2066987, 2333695, 3145415, 5564965, 10334935, 14468909, 72344545]

約数ペア:

[(1, 72344545), (5, 14468909), (7, 10334935), (13, 5564965), (23, 3145415), (31, 2333695), (35, 2066987), (65, 1112993), (91, 794995), (115, 629083), (155, 466739), (161, 449345), (217, 333385), (223, 324415), (299, 241955), (403, 179515), (455, 158999), (713, 101465), (805, 89869), (1085, 66677), (1115, 64883), (1495, 48391), (1561, 46345), (2015, 35903), (2093, 34565), (2821, 25645), (2899, 24955), (3565, 20293), (4991, 14495), (5129, 14105), (6913, 10465), (7805, 9269)]