388761256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{433}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 803854800

約数和(自身を除く): 415093544

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 97, 104, 178, 194, 356, 388, 433, 712, 776, 866, 1157, 1261, 1732, 2314, 2522, 3464, 4628, 5044, 5629, 8633, 9256, 10088, 11258, 17266, 22516, 34532, 38537, 42001, 45032, 69064, 77074, 84002, 112229, 154148, 168004, 224458, 308296, 336008, 448916, 500981, 546013, 897832, 1001962, 1092026, 2003924, 2184052, 3738089, 4007848, 4368104, 7476178, 14952356, 29904712, 48595157, 97190314, 194380628, 388761256]

約数ペア:

[(1, 388761256), (2, 194380628), (4, 97190314), (8, 48595157), (13, 29904712), (26, 14952356), (52, 7476178), (89, 4368104), (97, 4007848), (104, 3738089), (178, 2184052), (194, 2003924), (356, 1092026), (388, 1001962), (433, 897832), (712, 546013), (776, 500981), (866, 448916), (1157, 336008), (1261, 308296), (1732, 224458), (2314, 168004), (2522, 154148), (3464, 112229), (4628, 84002), (5044, 77074), (5629, 69064), (8633, 45032), (9256, 42001), (10088, 38537), (11258, 34532), (17266, 22516)]