261644288

素因数分解:

$2^{13}\times {\mathrm{19}}^1\times {\mathrm{41}}^2$

素因数の和:127

約数の個数: 84

約数和(自身を含む): 564558180

約数和(自身を除く): 302913892

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 64, 76, 82, 128, 152, 164, 256, 304, 328, 512, 608, 656, 779, 1024, 1216, 1312, 1558, 1681, 2048, 2432, 2624, 3116, 3362, 4096, 4864, 5248, 6232, 6724, 8192, 9728, 10496, 12464, 13448, 19456, 20992, 24928, 26896, 31939, 38912, 41984, 49856, 53792, 63878, 77824, 83968, 99712, 107584, 127756, 155648, 167936, 199424, 215168, 255512, 335872, 398848, 430336, 511024, 797696, 860672, 1022048, 1595392, 1721344, 2044096, 3190784, 3442688, 4088192, 6381568, 6885376, 8176384, 13770752, 16352768, 32705536, 65411072, 130822144, 261644288]

約数ペア:

[(1, 261644288), (2, 130822144), (4, 65411072), (8, 32705536), (16, 16352768), (19, 13770752), (32, 8176384), (38, 6885376), (41, 6381568), (64, 4088192), (76, 3442688), (82, 3190784), (128, 2044096), (152, 1721344), (164, 1595392), (256, 1022048), (304, 860672), (328, 797696), (512, 511024), (608, 430336), (656, 398848), (779, 335872), (1024, 255512), (1216, 215168), (1312, 199424), (1558, 167936), (1681, 155648), (2048, 127756), (2432, 107584), (2624, 99712), (3116, 83968), (3362, 77824), (4096, 63878), (4864, 53792), (5248, 49856), (6232, 41984), (6724, 38912), (8192, 31939), (9728, 26896), (10496, 24928), (12464, 20992), (13448, 19456)]