256835744

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{23537}}^1$

素因数の和:23589

約数の個数: 48

約数和(自身を含む): 569431296

約数和(自身を除く): 312595552

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 124, 176, 248, 341, 352, 496, 682, 992, 1364, 2728, 5456, 10912, 23537, 47074, 94148, 188296, 258907, 376592, 517814, 729647, 753184, 1035628, 1459294, 2071256, 2918588, 4142512, 5837176, 8026117, 8285024, 11674352, 16052234, 23348704, 32104468, 64208936, 128417872, 256835744]

約数ペア:

[(1, 256835744), (2, 128417872), (4, 64208936), (8, 32104468), (11, 23348704), (16, 16052234), (22, 11674352), (31, 8285024), (32, 8026117), (44, 5837176), (62, 4142512), (88, 2918588), (124, 2071256), (176, 1459294), (248, 1035628), (341, 753184), (352, 729647), (496, 517814), (682, 376592), (992, 258907), (1364, 188296), (2728, 94148), (5456, 47074), (10912, 23537)]