397428928

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:886

約数の個数: 112

約数和(自身を含む): 923991040

約数和(自身を除く): 526562112

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 38, 52, 62, 64, 76, 104, 124, 152, 208, 247, 248, 304, 403, 416, 494, 496, 589, 608, 806, 811, 832, 988, 992, 1178, 1216, 1612, 1622, 1976, 1984, 2356, 3224, 3244, 3952, 4712, 6448, 6488, 7657, 7904, 9424, 10543, 12896, 12976, 15314, 15409, 15808, 18848, 21086, 25141, 25792, 25952, 30628, 30818, 37696, 42172, 50282, 51904, 61256, 61636, 84344, 100564, 122512, 123272, 168688, 200317, 201128, 245024, 246544, 326833, 337376, 400634, 402256, 477679, 490048, 493088, 653666, 674752, 801268, 804512, 955358, 986176, 1307332, 1602536, 1609024, 1910716, 2614664, 3205072, 3821432, 5229328, 6209827, 6410144, 7642864, 10458656, 12419654, 12820288, 15285728, 20917312, 24839308, 30571456, 49678616, 99357232, 198714464, 397428928]

約数ペア:

[(1, 397428928), (2, 198714464), (4, 99357232), (8, 49678616), (13, 30571456), (16, 24839308), (19, 20917312), (26, 15285728), (31, 12820288), (32, 12419654), (38, 10458656), (52, 7642864), (62, 6410144), (64, 6209827), (76, 5229328), (104, 3821432), (124, 3205072), (152, 2614664), (208, 1910716), (247, 1609024), (248, 1602536), (304, 1307332), (403, 986176), (416, 955358), (494, 804512), (496, 801268), (589, 674752), (608, 653666), (806, 493088), (811, 490048), (832, 477679), (988, 402256), (992, 400634), (1178, 337376), (1216, 326833), (1612, 246544), (1622, 245024), (1976, 201128), (1984, 200317), (2356, 168688), (3224, 123272), (3244, 122512), (3952, 100564), (4712, 84344), (6448, 61636), (6488, 61256), (7657, 51904), (7904, 50282), (9424, 42172), (10543, 37696), (12896, 30818), (12976, 30628), (15314, 25952), (15409, 25792), (15808, 25141), (18848, 21086)]