391012244

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^2$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 829042368

約数和(自身を除く): 438030124

約数列:

[1, 2, 4, 7, 14, 28, 41, 43, 82, 86, 89, 164, 172, 178, 287, 301, 356, 574, 602, 623, 1148, 1204, 1246, 1763, 2492, 3526, 3649, 3827, 7052, 7298, 7654, 7921, 12341, 14596, 15308, 15842, 24682, 25543, 26789, 31684, 49364, 51086, 53578, 55447, 102172, 107156, 110894, 156907, 221788, 313814, 324761, 340603, 627628, 649522, 681206, 1098349, 1299044, 1362412, 2196698, 2273327, 2384221, 4393396, 4546654, 4768442, 9093308, 9536884, 13964723, 27929446, 55858892, 97753061, 195506122, 391012244]

約数ペア:

[(1, 391012244), (2, 195506122), (4, 97753061), (7, 55858892), (14, 27929446), (28, 13964723), (41, 9536884), (43, 9093308), (82, 4768442), (86, 4546654), (89, 4393396), (164, 2384221), (172, 2273327), (178, 2196698), (287, 1362412), (301, 1299044), (356, 1098349), (574, 681206), (602, 649522), (623, 627628), (1148, 340603), (1204, 324761), (1246, 313814), (1763, 221788), (2492, 156907), (3526, 110894), (3649, 107156), (3827, 102172), (7052, 55447), (7298, 53578), (7654, 51086), (7921, 49364), (12341, 31684), (14596, 26789), (15308, 25543), (15842, 24682)]