31776512

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 68678400

約数和(自身を除く): 36901888

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 128, 139, 152, 188, 256, 278, 304, 376, 556, 608, 752, 893, 1112, 1216, 1504, 1786, 2224, 2432, 2641, 3008, 3572, 4448, 4864, 5282, 6016, 6533, 7144, 8896, 10564, 12032, 13066, 14288, 17792, 21128, 26132, 28576, 35584, 42256, 52264, 57152, 84512, 104528, 114304, 124127, 169024, 209056, 228608, 248254, 338048, 418112, 496508, 676096, 836224, 993016, 1672448, 1986032, 3972064, 7944128, 15888256, 31776512]

約数ペア:

[(1, 31776512), (2, 15888256), (4, 7944128), (8, 3972064), (16, 1986032), (19, 1672448), (32, 993016), (38, 836224), (47, 676096), (64, 496508), (76, 418112), (94, 338048), (128, 248254), (139, 228608), (152, 209056), (188, 169024), (256, 124127), (278, 114304), (304, 104528), (376, 84512), (556, 57152), (608, 52264), (752, 42256), (893, 35584), (1112, 28576), (1216, 26132), (1504, 21128), (1786, 17792), (2224, 14288), (2432, 13066), (2641, 12032), (3008, 10564), (3572, 8896), (4448, 7144), (4864, 6533), (5282, 6016)]