16665948

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 45864000

約数和(自身を除く): 29198052

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 149, 156, 234, 239, 298, 447, 468, 478, 596, 717, 894, 956, 1341, 1434, 1788, 1937, 2151, 2682, 2868, 3107, 3874, 4302, 5364, 5811, 6214, 7748, 8604, 9321, 11622, 12428, 17433, 18642, 23244, 27963, 34866, 35611, 37284, 55926, 69732, 71222, 106833, 111852, 142444, 213666, 320499, 427332, 462943, 640998, 925886, 1281996, 1388829, 1851772, 2777658, 4166487, 5555316, 8332974, 16665948]

約数ペア:

[(1, 16665948), (2, 8332974), (3, 5555316), (4, 4166487), (6, 2777658), (9, 1851772), (12, 1388829), (13, 1281996), (18, 925886), (26, 640998), (36, 462943), (39, 427332), (52, 320499), (78, 213666), (117, 142444), (149, 111852), (156, 106833), (234, 71222), (239, 69732), (298, 55926), (447, 37284), (468, 35611), (478, 34866), (596, 27963), (717, 23244), (894, 18642), (956, 17433), (1341, 12428), (1434, 11622), (1788, 9321), (1937, 8604), (2151, 7748), (2682, 6214), (2868, 5811), (3107, 5364), (3874, 4302)]