421747456

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{359}}^1$

素因数の和:741

約数の個数: 72

約数和(自身を含む): 911705760

約数和(自身を除く): 489958304

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 353, 359, 416, 706, 718, 832, 1412, 1436, 1664, 2824, 2872, 3328, 4589, 4667, 5648, 5744, 9178, 9334, 11296, 11488, 18356, 18668, 22592, 22976, 36712, 37336, 45184, 45952, 73424, 74672, 90368, 91904, 126727, 146848, 149344, 253454, 293696, 298688, 506908, 587392, 597376, 1013816, 1174784, 1194752, 1647451, 2027632, 3294902, 4055264, 6589804, 8110528, 13179608, 16221056, 26359216, 32442112, 52718432, 105436864, 210873728, 421747456]

約数ペア:

[(1, 421747456), (2, 210873728), (4, 105436864), (8, 52718432), (13, 32442112), (16, 26359216), (26, 16221056), (32, 13179608), (52, 8110528), (64, 6589804), (104, 4055264), (128, 3294902), (208, 2027632), (256, 1647451), (353, 1194752), (359, 1174784), (416, 1013816), (706, 597376), (718, 587392), (832, 506908), (1412, 298688), (1436, 293696), (1664, 253454), (2824, 149344), (2872, 146848), (3328, 126727), (4589, 91904), (4667, 90368), (5648, 74672), (5744, 73424), (9178, 45952), (9334, 45184), (11296, 37336), (11488, 36712), (18356, 22976), (18668, 22592)]