31302272

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 67034400

約数和(自身を除く): 35732128

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 61, 64, 76, 122, 128, 152, 211, 244, 304, 422, 488, 608, 844, 976, 1159, 1216, 1688, 1952, 2318, 2432, 3376, 3904, 4009, 4636, 6752, 7808, 8018, 9272, 12871, 13504, 16036, 18544, 25742, 27008, 32072, 37088, 51484, 64144, 74176, 102968, 128288, 148352, 205936, 244549, 256576, 411872, 489098, 513152, 823744, 978196, 1647488, 1956392, 3912784, 7825568, 15651136, 31302272]

約数ペア:

[(1, 31302272), (2, 15651136), (4, 7825568), (8, 3912784), (16, 1956392), (19, 1647488), (32, 978196), (38, 823744), (61, 513152), (64, 489098), (76, 411872), (122, 256576), (128, 244549), (152, 205936), (211, 148352), (244, 128288), (304, 102968), (422, 74176), (488, 64144), (608, 51484), (844, 37088), (976, 32072), (1159, 27008), (1216, 25742), (1688, 18544), (1952, 16036), (2318, 13504), (2432, 12871), (3376, 9272), (3904, 8018), (4009, 7808), (4636, 6752)]