128795842

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 244290816

約数和(自身を除く): 115494974

約数列:

[1, 2, 7, 14, 17, 34, 41, 67, 82, 119, 134, 197, 238, 287, 394, 469, 574, 697, 938, 1139, 1379, 1394, 2278, 2747, 2758, 3349, 4879, 5494, 6698, 7973, 8077, 9758, 13199, 15946, 16154, 19229, 23443, 26398, 38458, 46699, 46886, 56539, 92393, 93398, 113078, 137309, 184786, 224383, 274618, 326893, 448766, 541159, 653786, 961163, 1082318, 1570681, 1922326, 3141362, 3788113, 7576226, 9199703, 18399406, 64397921, 128795842]

約数ペア:

[(1, 128795842), (2, 64397921), (7, 18399406), (14, 9199703), (17, 7576226), (34, 3788113), (41, 3141362), (67, 1922326), (82, 1570681), (119, 1082318), (134, 961163), (197, 653786), (238, 541159), (287, 448766), (394, 326893), (469, 274618), (574, 224383), (697, 184786), (938, 137309), (1139, 113078), (1379, 93398), (1394, 92393), (2278, 56539), (2747, 46886), (2758, 46699), (3349, 38458), (4879, 26398), (5494, 23443), (6698, 19229), (7973, 16154), (8077, 15946), (9758, 13199)]