1909251505

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 2828390400

約数和(自身を除く): 919138895

約数列:

[1, 5, 7, 23, 35, 59, 61, 115, 161, 295, 305, 413, 427, 659, 805, 1357, 1403, 2065, 2135, 3295, 3599, 4613, 6785, 7015, 9499, 9821, 15157, 17995, 23065, 25193, 38881, 40199, 47495, 49105, 75785, 82777, 106099, 125965, 194405, 200995, 272167, 281393, 413885, 530495, 579439, 894263, 924577, 1360835, 1406965, 2371741, 2897195, 4471315, 4622885, 6259841, 6472039, 11858705, 16602187, 31299205, 32360195, 54550043, 83010935, 272750215, 381850301, 1909251505]

約数ペア:

[(1, 1909251505), (5, 381850301), (7, 272750215), (23, 83010935), (35, 54550043), (59, 32360195), (61, 31299205), (115, 16602187), (161, 11858705), (295, 6472039), (305, 6259841), (413, 4622885), (427, 4471315), (659, 2897195), (805, 2371741), (1357, 1406965), (1403, 1360835), (2065, 924577), (2135, 894263), (3295, 579439), (3599, 530495), (4613, 413885), (6785, 281393), (7015, 272167), (9499, 200995), (9821, 194405), (15157, 125965), (17995, 106099), (23065, 82777), (25193, 75785), (38881, 49105), (40199, 47495)]