31978368

素因数分解:

$2^7\times 3^3\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:529

約数の個数: 128

約数和(自身を含む): 99552000

約数和(自身を除く): 67573632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 128, 144, 152, 171, 192, 216, 228, 288, 304, 342, 384, 432, 456, 487, 513, 576, 608, 684, 864, 912, 974, 1026, 1152, 1216, 1368, 1461, 1728, 1824, 1948, 2052, 2432, 2736, 2922, 3456, 3648, 3896, 4104, 4383, 5472, 5844, 7296, 7792, 8208, 8766, 9253, 10944, 11688, 13149, 15584, 16416, 17532, 18506, 21888, 23376, 26298, 27759, 31168, 32832, 35064, 37012, 46752, 52596, 55518, 62336, 65664, 70128, 74024, 83277, 93504, 105192, 111036, 140256, 148048, 166554, 187008, 210384, 222072, 249831, 280512, 296096, 333108, 420768, 444144, 499662, 561024, 592192, 666216, 841536, 888288, 999324, 1184384, 1332432, 1683072, 1776576, 1998648, 2664864, 3553152, 3997296, 5329728, 7994592, 10659456, 15989184, 31978368]

約数ペア:

[(1, 31978368), (2, 15989184), (3, 10659456), (4, 7994592), (6, 5329728), (8, 3997296), (9, 3553152), (12, 2664864), (16, 1998648), (18, 1776576), (19, 1683072), (24, 1332432), (27, 1184384), (32, 999324), (36, 888288), (38, 841536), (48, 666216), (54, 592192), (57, 561024), (64, 499662), (72, 444144), (76, 420768), (96, 333108), (108, 296096), (114, 280512), (128, 249831), (144, 222072), (152, 210384), (171, 187008), (192, 166554), (216, 148048), (228, 140256), (288, 111036), (304, 105192), (342, 93504), (384, 83277), (432, 74024), (456, 70128), (487, 65664), (513, 62336), (576, 55518), (608, 52596), (684, 46752), (864, 37012), (912, 35064), (974, 32832), (1026, 31168), (1152, 27759), (1216, 26298), (1368, 23376), (1461, 21888), (1728, 18506), (1824, 17532), (1948, 16416), (2052, 15584), (2432, 13149), (2736, 11688), (2922, 10944), (3456, 9253), (3648, 8766), (3896, 8208), (4104, 7792), (4383, 7296), (5472, 5844)]