1200000018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{4133}}^1$

素因数の和:4399

約数の個数: 64

約数和(自身を含む): 2844721152

約数和(自身を除く): 1644721134

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 223, 434, 446, 651, 669, 1302, 1338, 1561, 3122, 4133, 4683, 6913, 8266, 9366, 12399, 13826, 20739, 24798, 28931, 41478, 48391, 57862, 86793, 96782, 128123, 145173, 173586, 256246, 290346, 384369, 768738, 896861, 921659, 1793722, 1843318, 2690583, 2764977, 5381166, 5529954, 6451613, 12903226, 19354839, 28571429, 38709678, 57142858, 85714287, 171428574, 200000003, 400000006, 600000009, 1200000018]

約数ペア:

[(1, 1200000018), (2, 600000009), (3, 400000006), (6, 200000003), (7, 171428574), (14, 85714287), (21, 57142858), (31, 38709678), (42, 28571429), (62, 19354839), (93, 12903226), (186, 6451613), (217, 5529954), (223, 5381166), (434, 2764977), (446, 2690583), (651, 1843318), (669, 1793722), (1302, 921659), (1338, 896861), (1561, 768738), (3122, 384369), (4133, 290346), (4683, 256246), (6913, 173586), (8266, 145173), (9366, 128123), (12399, 96782), (13826, 86793), (20739, 57862), (24798, 48391), (28931, 41478)]