668395154

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^2$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 1273897728

約数和(自身を除く): 605502574

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 73, 119, 146, 217, 238, 289, 434, 511, 527, 578, 1022, 1054, 1241, 2023, 2263, 2482, 3689, 4046, 4526, 5329, 7378, 8687, 8959, 10658, 15841, 17374, 17918, 21097, 31682, 37303, 38471, 42194, 62713, 74606, 76942, 90593, 125426, 147679, 165199, 181186, 269297, 295358, 330398, 538594, 634151, 654007, 1156393, 1268302, 1308014, 1540081, 2312786, 2808383, 3080162, 4578049, 5616766, 9156098, 10780567, 19658681, 21561134, 39317362, 47742511, 95485022, 334197577, 668395154]

約数ペア:

[(1, 668395154), (2, 334197577), (7, 95485022), (14, 47742511), (17, 39317362), (31, 21561134), (34, 19658681), (62, 10780567), (73, 9156098), (119, 5616766), (146, 4578049), (217, 3080162), (238, 2808383), (289, 2312786), (434, 1540081), (511, 1308014), (527, 1268302), (578, 1156393), (1022, 654007), (1054, 634151), (1241, 538594), (2023, 330398), (2263, 295358), (2482, 269297), (3689, 181186), (4046, 165199), (4526, 147679), (5329, 125426), (7378, 90593), (8687, 76942), (8959, 74606), (10658, 62713), (15841, 42194), (17374, 38471), (17918, 37303), (21097, 31682)]