1639852045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 2366267904

約数和(自身を除く): 726415859

約数列:

[1, 5, 13, 17, 23, 65, 85, 113, 115, 221, 299, 391, 565, 571, 1105, 1469, 1495, 1921, 1955, 2599, 2855, 5083, 7345, 7423, 9605, 9707, 12995, 13133, 24973, 25415, 33787, 37115, 44183, 48535, 64523, 65665, 124865, 126191, 168935, 170729, 220915, 223261, 322615, 574379, 630955, 838799, 853645, 1096891, 1116305, 1484029, 2871895, 2902393, 4193995, 5484455, 7420145, 14259583, 14511965, 19292377, 25228493, 71297915, 96461885, 126142465, 327970409, 1639852045]

約数ペア:

[(1, 1639852045), (5, 327970409), (13, 126142465), (17, 96461885), (23, 71297915), (65, 25228493), (85, 19292377), (113, 14511965), (115, 14259583), (221, 7420145), (299, 5484455), (391, 4193995), (565, 2902393), (571, 2871895), (1105, 1484029), (1469, 1116305), (1495, 1096891), (1921, 853645), (1955, 838799), (2599, 630955), (2855, 574379), (5083, 322615), (7345, 223261), (7423, 220915), (9605, 170729), (9707, 168935), (12995, 126191), (13133, 124865), (24973, 65665), (25415, 64523), (33787, 48535), (37115, 44183)]