665666690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1753}}^1$

素因数の和:1923

約数の個数: 64

約数和(自身を含む): 1357848576

約数和(自身を除く): 692181886

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 127, 130, 230, 254, 299, 598, 635, 1270, 1495, 1651, 1753, 2921, 2990, 3302, 3506, 5842, 8255, 8765, 14605, 16510, 17530, 22789, 29210, 37973, 40319, 45578, 75946, 80638, 113945, 189865, 201595, 222631, 227890, 379730, 403190, 445262, 524147, 1048294, 1113155, 2226310, 2620735, 2894203, 5120513, 5241470, 5788406, 10241026, 14471015, 25602565, 28942030, 51205130, 66566669, 133133338, 332833345, 665666690]

約数ペア:

[(1, 665666690), (2, 332833345), (5, 133133338), (10, 66566669), (13, 51205130), (23, 28942030), (26, 25602565), (46, 14471015), (65, 10241026), (115, 5788406), (127, 5241470), (130, 5120513), (230, 2894203), (254, 2620735), (299, 2226310), (598, 1113155), (635, 1048294), (1270, 524147), (1495, 445262), (1651, 403190), (1753, 379730), (2921, 227890), (2990, 222631), (3302, 201595), (3506, 189865), (5842, 113945), (8255, 80638), (8765, 75946), (14605, 45578), (16510, 40319), (17530, 37973), (22789, 29210)]