388640768

素因数分解:

$2^{12}\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:660

約数の個数: 52

約数和(自身を含む): 782404320

約数和(自身を除く): 393763552

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 239, 256, 397, 478, 512, 794, 956, 1024, 1588, 1912, 2048, 3176, 3824, 4096, 6352, 7648, 12704, 15296, 25408, 30592, 50816, 61184, 94883, 101632, 122368, 189766, 203264, 244736, 379532, 406528, 489472, 759064, 813056, 978944, 1518128, 1626112, 3036256, 6072512, 12145024, 24290048, 48580096, 97160192, 194320384, 388640768]

約数ペア:

[(1, 388640768), (2, 194320384), (4, 97160192), (8, 48580096), (16, 24290048), (32, 12145024), (64, 6072512), (128, 3036256), (239, 1626112), (256, 1518128), (397, 978944), (478, 813056), (512, 759064), (794, 489472), (956, 406528), (1024, 379532), (1588, 244736), (1912, 203264), (2048, 189766), (3176, 122368), (3824, 101632), (4096, 94883), (6352, 61184), (7648, 50816), (12704, 30592), (15296, 25408)]