291233410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{983}}^1$

素因数の和:1099

約数の個数: 64

約数和(自身を含む): 589171968

約数和(自身を除く): 297938558

約数列:

[1, 2, 5, 10, 13, 26, 43, 53, 65, 86, 106, 130, 215, 265, 430, 530, 559, 689, 983, 1118, 1378, 1966, 2279, 2795, 3445, 4558, 4915, 5590, 6890, 9830, 11395, 12779, 22790, 25558, 29627, 42269, 52099, 59254, 63895, 84538, 104198, 127790, 148135, 211345, 260495, 296270, 422690, 520990, 549497, 677287, 1098994, 1354574, 2240257, 2747485, 3386435, 4480514, 5494970, 6772870, 11201285, 22402570, 29123341, 58246682, 145616705, 291233410]

約数ペア:

[(1, 291233410), (2, 145616705), (5, 58246682), (10, 29123341), (13, 22402570), (26, 11201285), (43, 6772870), (53, 5494970), (65, 4480514), (86, 3386435), (106, 2747485), (130, 2240257), (215, 1354574), (265, 1098994), (430, 677287), (530, 549497), (559, 520990), (689, 422690), (983, 296270), (1118, 260495), (1378, 211345), (1966, 148135), (2279, 127790), (2795, 104198), (3445, 84538), (4558, 63895), (4915, 59254), (5590, 52099), (6890, 42269), (9830, 29627), (11395, 25558), (12779, 22790)]