31046912

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 70395360

約数和(自身を除く): 39348448

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 491, 494, 608, 832, 982, 988, 1216, 1664, 1964, 1976, 2432, 3328, 3928, 3952, 4864, 6383, 7856, 7904, 9329, 12766, 15712, 15808, 18658, 25532, 31424, 31616, 37316, 51064, 62848, 63232, 74632, 102128, 121277, 125696, 149264, 204256, 242554, 298528, 408512, 485108, 597056, 817024, 970216, 1194112, 1634048, 1940432, 2388224, 3880864, 7761728, 15523456, 31046912]

約数ペア:

[(1, 31046912), (2, 15523456), (4, 7761728), (8, 3880864), (13, 2388224), (16, 1940432), (19, 1634048), (26, 1194112), (32, 970216), (38, 817024), (52, 597056), (64, 485108), (76, 408512), (104, 298528), (128, 242554), (152, 204256), (208, 149264), (247, 125696), (256, 121277), (304, 102128), (416, 74632), (491, 63232), (494, 62848), (608, 51064), (832, 37316), (982, 31616), (988, 31424), (1216, 25532), (1664, 18658), (1964, 15808), (1976, 15712), (2432, 12766), (3328, 9329), (3928, 7904), (3952, 7856), (4864, 6383)]