251709822

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 694686720

約数和(自身を除く): 442976898

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 181, 182, 189, 234, 273, 283, 351, 362, 378, 543, 546, 566, 702, 819, 849, 1086, 1267, 1629, 1638, 1698, 1981, 2353, 2457, 2534, 2547, 3258, 3679, 3801, 3962, 4706, 4887, 4914, 5094, 5943, 7059, 7358, 7602, 7641, 9774, 11037, 11403, 11886, 14118, 15282, 16471, 17829, 21177, 22074, 22806, 25753, 32942, 33111, 34209, 35658, 42354, 49413, 51223, 51506, 53487, 63531, 66222, 68418, 77259, 98826, 99333, 102446, 106974, 127062, 148239, 153669, 154518, 198666, 231777, 296478, 307338, 358561, 444717, 461007, 463554, 665899, 695331, 717122, 889434, 922014, 1075683, 1331798, 1383021, 1390662, 1997697, 2151366, 2766042, 3227049, 3995394, 4661293, 5993091, 6454098, 9322586, 9681147, 11986182, 13983879, 17979273, 19362294, 27967758, 35958546, 41951637, 83903274, 125854911, 251709822]

約数ペア:

[(1, 251709822), (2, 125854911), (3, 83903274), (6, 41951637), (7, 35958546), (9, 27967758), (13, 19362294), (14, 17979273), (18, 13983879), (21, 11986182), (26, 9681147), (27, 9322586), (39, 6454098), (42, 5993091), (54, 4661293), (63, 3995394), (78, 3227049), (91, 2766042), (117, 2151366), (126, 1997697), (181, 1390662), (182, 1383021), (189, 1331798), (234, 1075683), (273, 922014), (283, 889434), (351, 717122), (362, 695331), (378, 665899), (543, 463554), (546, 461007), (566, 444717), (702, 358561), (819, 307338), (849, 296478), (1086, 231777), (1267, 198666), (1629, 154518), (1638, 153669), (1698, 148239), (1981, 127062), (2353, 106974), (2457, 102446), (2534, 99333), (2547, 98826), (3258, 77259), (3679, 68418), (3801, 66222), (3962, 63531), (4706, 53487), (4887, 51506), (4914, 51223), (5094, 49413), (5943, 42354), (7059, 35658), (7358, 34209), (7602, 33111), (7641, 32942), (9774, 25753), (11037, 22806), (11403, 22074), (11886, 21177), (14118, 17829), (15282, 16471)]