213569330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 426746880

約数和(自身を除く): 213177550

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 139, 223, 265, 278, 446, 530, 689, 695, 1115, 1378, 1390, 1807, 2230, 2899, 3445, 3614, 5798, 6890, 7367, 9035, 11819, 14495, 14734, 18070, 23638, 28990, 30997, 36835, 59095, 61994, 73670, 95771, 118190, 153647, 154985, 191542, 307294, 309970, 402961, 478855, 768235, 805922, 957710, 1536470, 1642841, 2014805, 3285682, 4029610, 8214205, 16428410, 21356933, 42713866, 106784665, 213569330]

約数ペア:

[(1, 213569330), (2, 106784665), (5, 42713866), (10, 21356933), (13, 16428410), (26, 8214205), (53, 4029610), (65, 3285682), (106, 2014805), (130, 1642841), (139, 1536470), (223, 957710), (265, 805922), (278, 768235), (446, 478855), (530, 402961), (689, 309970), (695, 307294), (1115, 191542), (1378, 154985), (1390, 153647), (1807, 118190), (2230, 95771), (2899, 73670), (3445, 61994), (3614, 59095), (5798, 36835), (6890, 30997), (7367, 28990), (9035, 23638), (11819, 18070), (14495, 14734)]