321100624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1388

約数の個数: 80

約数和(自身を含む): 719953920

約数和(自身を除く): 398853296

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 71, 104, 136, 142, 208, 221, 272, 284, 442, 568, 884, 923, 1136, 1207, 1279, 1768, 1846, 2414, 2558, 3536, 3692, 4828, 5116, 7384, 9656, 10232, 14768, 15691, 16627, 19312, 20464, 21743, 31382, 33254, 43486, 62764, 66508, 86972, 90809, 125528, 133016, 173944, 181618, 251056, 266032, 282659, 347888, 363236, 565318, 726472, 1130636, 1180517, 1452944, 1543753, 2261272, 2361034, 3087506, 4522544, 4722068, 6175012, 9444136, 12350024, 18888272, 20068789, 24700048, 40137578, 80275156, 160550312, 321100624]

約数ペア:

[(1, 321100624), (2, 160550312), (4, 80275156), (8, 40137578), (13, 24700048), (16, 20068789), (17, 18888272), (26, 12350024), (34, 9444136), (52, 6175012), (68, 4722068), (71, 4522544), (104, 3087506), (136, 2361034), (142, 2261272), (208, 1543753), (221, 1452944), (272, 1180517), (284, 1130636), (442, 726472), (568, 565318), (884, 363236), (923, 347888), (1136, 282659), (1207, 266032), (1279, 251056), (1768, 181618), (1846, 173944), (2414, 133016), (2558, 125528), (3536, 90809), (3692, 86972), (4828, 66508), (5116, 62764), (7384, 43486), (9656, 33254), (10232, 31382), (14768, 21743), (15691, 20464), (16627, 19312)]