128122016

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19157}}^1$

素因数の和:19197

約数の個数: 48

約数和(自身を含む): 289668960

約数和(自身を除く): 161546944

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 352, 418, 608, 836, 1672, 3344, 6688, 19157, 38314, 76628, 153256, 210727, 306512, 363983, 421454, 613024, 727966, 842908, 1455932, 1685816, 2911864, 3371632, 4003813, 5823728, 6743264, 8007626, 11647456, 16015252, 32030504, 64061008, 128122016]

約数ペア:

[(1, 128122016), (2, 64061008), (4, 32030504), (8, 16015252), (11, 11647456), (16, 8007626), (19, 6743264), (22, 5823728), (32, 4003813), (38, 3371632), (44, 2911864), (76, 1685816), (88, 1455932), (152, 842908), (176, 727966), (209, 613024), (304, 421454), (352, 363983), (418, 306512), (608, 210727), (836, 153256), (1672, 76628), (3344, 38314), (6688, 19157)]