991178624

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{13147}}^1$

素因数の和:13211

約数の個数: 64

約数和(自身を含む): 2145753600

約数和(自身を除く): 1154574976

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 304, 496, 589, 608, 992, 1178, 1216, 1984, 2356, 2432, 3968, 4712, 9424, 13147, 18848, 26294, 37696, 52588, 75392, 105176, 210352, 249793, 407557, 420704, 499586, 815114, 841408, 999172, 1630228, 1682816, 1998344, 3260456, 3996688, 6520912, 7743583, 7993376, 13041824, 15487166, 15986752, 26083648, 30974332, 31973504, 52167296, 61948664, 123897328, 247794656, 495589312, 991178624]

約数ペア:

[(1, 991178624), (2, 495589312), (4, 247794656), (8, 123897328), (16, 61948664), (19, 52167296), (31, 31973504), (32, 30974332), (38, 26083648), (62, 15986752), (64, 15487166), (76, 13041824), (124, 7993376), (128, 7743583), (152, 6520912), (248, 3996688), (304, 3260456), (496, 1998344), (589, 1682816), (608, 1630228), (992, 999172), (1178, 841408), (1216, 815114), (1984, 499586), (2356, 420704), (2432, 407557), (3968, 249793), (4712, 210352), (9424, 105176), (13147, 75392), (18848, 52588), (26294, 37696)]