203896238

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:633

約数の個数: 64

約数和(自身を含む): 394813440

約数和(自身を除く): 190917202

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 71, 91, 142, 182, 217, 403, 434, 497, 509, 806, 923, 994, 1018, 1846, 2201, 2821, 3563, 4402, 5642, 6461, 6617, 7126, 12922, 13234, 15407, 15779, 28613, 30814, 31558, 36139, 46319, 57226, 72278, 92638, 110453, 200291, 205127, 220906, 252973, 400582, 410254, 469807, 505946, 939614, 1120309, 1435889, 2240618, 2871778, 3288649, 6577298, 7842163, 14564017, 15684326, 29128034, 101948119, 203896238]

約数ペア:

[(1, 203896238), (2, 101948119), (7, 29128034), (13, 15684326), (14, 14564017), (26, 7842163), (31, 6577298), (62, 3288649), (71, 2871778), (91, 2240618), (142, 1435889), (182, 1120309), (217, 939614), (403, 505946), (434, 469807), (497, 410254), (509, 400582), (806, 252973), (923, 220906), (994, 205127), (1018, 200291), (1846, 110453), (2201, 92638), (2821, 72278), (3563, 57226), (4402, 46319), (5642, 36139), (6461, 31558), (6617, 30814), (7126, 28613), (12922, 15779), (13234, 15407)]