258214484

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:741

約数の個数: 72

約数和(自身を含む): 535809120

約数和(自身を除く): 277594636

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 121, 172, 209, 242, 418, 473, 484, 653, 817, 836, 946, 1306, 1634, 1892, 2299, 2612, 3268, 4598, 5203, 7183, 8987, 9196, 10406, 12407, 14366, 17974, 20812, 24814, 28079, 28732, 35948, 49628, 56158, 79013, 98857, 112316, 136477, 158026, 197714, 272954, 308869, 316052, 395428, 533501, 545908, 617738, 1067002, 1235476, 1501247, 2134004, 3002494, 3397559, 5868511, 6004988, 6795118, 11737022, 13590236, 23474044, 64553621, 129107242, 258214484]

約数ペア:

[(1, 258214484), (2, 129107242), (4, 64553621), (11, 23474044), (19, 13590236), (22, 11737022), (38, 6795118), (43, 6004988), (44, 5868511), (76, 3397559), (86, 3002494), (121, 2134004), (172, 1501247), (209, 1235476), (242, 1067002), (418, 617738), (473, 545908), (484, 533501), (653, 395428), (817, 316052), (836, 308869), (946, 272954), (1306, 197714), (1634, 158026), (1892, 136477), (2299, 112316), (2612, 98857), (3268, 79013), (4598, 56158), (5203, 49628), (7183, 35948), (8987, 28732), (9196, 28079), (10406, 24814), (12407, 20812), (14366, 17974)]