15661918064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{17117}}^1$

素因数の和:17274

約数の個数: 80

約数和(自身を含む): 33698905632

約数和(自身を除く): 18036987568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 83, 104, 106, 166, 208, 212, 332, 424, 664, 689, 848, 1079, 1328, 1378, 2158, 2756, 4316, 4399, 5512, 8632, 8798, 11024, 17117, 17264, 17596, 34234, 35192, 57187, 68468, 70384, 114374, 136936, 222521, 228748, 273872, 445042, 457496, 890084, 907201, 914992, 1420711, 1780168, 1814402, 2841422, 3560336, 3628804, 5682844, 7257608, 11365688, 11793613, 14515216, 18469243, 22731376, 23587226, 36938486, 47174452, 73876972, 75297683, 94348904, 147753944, 150595366, 188697808, 295507888, 301190732, 602381464, 978869879, 1204762928, 1957739758, 3915479516, 7830959032, 15661918064]

約数ペア:

[(1, 15661918064), (2, 7830959032), (4, 3915479516), (8, 1957739758), (13, 1204762928), (16, 978869879), (26, 602381464), (52, 301190732), (53, 295507888), (83, 188697808), (104, 150595366), (106, 147753944), (166, 94348904), (208, 75297683), (212, 73876972), (332, 47174452), (424, 36938486), (664, 23587226), (689, 22731376), (848, 18469243), (1079, 14515216), (1328, 11793613), (1378, 11365688), (2158, 7257608), (2756, 5682844), (4316, 3628804), (4399, 3560336), (5512, 2841422), (8632, 1814402), (8798, 1780168), (11024, 1420711), (17117, 914992), (17264, 907201), (17596, 890084), (34234, 457496), (35192, 445042), (57187, 273872), (68468, 228748), (70384, 222521), (114374, 136936)]