491145655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:869

約数の個数: 64

約数和(自身を含む): 798852096

約数和(自身を除く): 307706441

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 121, 143, 385, 455, 605, 715, 811, 847, 1001, 1331, 1573, 4055, 4235, 5005, 5677, 6655, 7865, 8921, 9317, 10543, 11011, 17303, 28385, 44605, 46585, 52715, 55055, 62447, 73801, 86515, 98131, 115973, 121121, 312235, 369005, 490655, 579865, 605605, 686917, 811811, 1079441, 1275703, 3434585, 4059055, 5397205, 6378515, 7556087, 8929921, 14032733, 37780435, 44649605, 70163665, 98229131, 491145655]

約数ペア:

[(1, 491145655), (5, 98229131), (7, 70163665), (11, 44649605), (13, 37780435), (35, 14032733), (55, 8929921), (65, 7556087), (77, 6378515), (91, 5397205), (121, 4059055), (143, 3434585), (385, 1275703), (455, 1079441), (605, 811811), (715, 686917), (811, 605605), (847, 579865), (1001, 490655), (1331, 369005), (1573, 312235), (4055, 121121), (4235, 115973), (5005, 98131), (5677, 86515), (6655, 73801), (7865, 62447), (8921, 55055), (9317, 52715), (10543, 46585), (11011, 44605), (17303, 28385)]