251961138

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:589

約数の個数: 128

約数和(自身を含む): 668989440

約数和(自身を除く): 417028302

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 27, 33, 39, 54, 66, 67, 78, 99, 117, 134, 143, 198, 201, 234, 286, 297, 351, 402, 429, 487, 594, 603, 702, 737, 858, 871, 974, 1206, 1287, 1461, 1474, 1742, 1809, 2211, 2574, 2613, 2922, 3618, 3861, 4383, 4422, 5226, 5357, 6331, 6633, 7722, 7839, 8766, 9581, 10714, 12662, 13149, 13266, 15678, 16071, 18993, 19162, 19899, 23517, 26298, 28743, 32142, 32629, 37986, 39798, 47034, 48213, 56979, 57486, 65258, 69641, 86229, 96426, 97887, 113958, 139282, 144639, 170937, 172458, 195774, 208923, 258687, 289278, 293661, 341874, 358919, 417846, 424177, 517374, 587322, 626769, 717838, 848354, 880983, 1076757, 1253538, 1272531, 1761966, 1880307, 2153514, 2545062, 3230271, 3760614, 3817593, 4665947, 6460542, 7635186, 9331894, 9690813, 11452779, 13997841, 19381626, 22905558, 27995682, 41993523, 83987046, 125980569, 251961138]

約数ペア:

[(1, 251961138), (2, 125980569), (3, 83987046), (6, 41993523), (9, 27995682), (11, 22905558), (13, 19381626), (18, 13997841), (22, 11452779), (26, 9690813), (27, 9331894), (33, 7635186), (39, 6460542), (54, 4665947), (66, 3817593), (67, 3760614), (78, 3230271), (99, 2545062), (117, 2153514), (134, 1880307), (143, 1761966), (198, 1272531), (201, 1253538), (234, 1076757), (286, 880983), (297, 848354), (351, 717838), (402, 626769), (429, 587322), (487, 517374), (594, 424177), (603, 417846), (702, 358919), (737, 341874), (858, 293661), (871, 289278), (974, 258687), (1206, 208923), (1287, 195774), (1461, 172458), (1474, 170937), (1742, 144639), (1809, 139282), (2211, 113958), (2574, 97887), (2613, 96426), (2922, 86229), (3618, 69641), (3861, 65258), (4383, 57486), (4422, 56979), (5226, 48213), (5357, 47034), (6331, 39798), (6633, 37986), (7722, 32629), (7839, 32142), (8766, 28743), (9581, 26298), (10714, 23517), (12662, 19899), (13149, 19162), (13266, 18993), (15678, 16071)]