28629965

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 43953840

約数和(自身を除く): 15323875

約数列:

[1, 5, 7, 13, 35, 49, 65, 89, 91, 101, 245, 445, 455, 505, 623, 637, 707, 1157, 1313, 3115, 3185, 3535, 4361, 4949, 5785, 6565, 8099, 8989, 9191, 21805, 24745, 40495, 44945, 45955, 56693, 62923, 64337, 116857, 283465, 314615, 321685, 440461, 584285, 817999, 2202305, 4089995, 5725993, 28629965]

約数ペア:

[(1, 28629965), (5, 5725993), (7, 4089995), (13, 2202305), (35, 817999), (49, 584285), (65, 440461), (89, 321685), (91, 314615), (101, 283465), (245, 116857), (445, 64337), (455, 62923), (505, 56693), (623, 45955), (637, 44945), (707, 40495), (1157, 24745), (1313, 21805), (3115, 9191), (3185, 8989), (3535, 8099), (4361, 6565), (4949, 5785)]