388640772

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{757}}^1\times {\mathrm{1097}}^1$

素因数の和:1877

約数の個数: 72

約数和(自身を含む): 1060329816

約数和(自身を除く): 671689044

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 757, 1097, 1514, 2194, 2271, 3028, 3291, 4388, 4542, 6582, 6813, 9084, 9841, 9873, 13164, 13626, 14261, 19682, 19746, 27252, 28522, 29523, 39364, 39492, 42783, 57044, 59046, 85566, 88569, 118092, 128349, 171132, 177138, 256698, 354276, 513396, 830429, 1660858, 2491287, 3321716, 4982574, 7473861, 9965148, 10795577, 14947722, 21591154, 29895444, 32386731, 43182308, 64773462, 97160193, 129546924, 194320386, 388640772]

約数ペア:

[(1, 388640772), (2, 194320386), (3, 129546924), (4, 97160193), (6, 64773462), (9, 43182308), (12, 32386731), (13, 29895444), (18, 21591154), (26, 14947722), (36, 10795577), (39, 9965148), (52, 7473861), (78, 4982574), (117, 3321716), (156, 2491287), (234, 1660858), (468, 830429), (757, 513396), (1097, 354276), (1514, 256698), (2194, 177138), (2271, 171132), (3028, 128349), (3291, 118092), (4388, 88569), (4542, 85566), (6582, 59046), (6813, 57044), (9084, 42783), (9841, 39492), (9873, 39364), (13164, 29523), (13626, 28522), (14261, 27252), (19682, 19746)]