399373116416

素因数分解:

$2^{10}\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{38873}}^1$

素因数の和:39099

約数の個数: 88

約数和(自身を含む): 814848798720

約数和(自身を除く): 415475682304

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 127, 128, 158, 254, 256, 316, 508, 512, 632, 1016, 1024, 1264, 2032, 2528, 4064, 5056, 8128, 10033, 10112, 16256, 20066, 20224, 32512, 38873, 40132, 40448, 65024, 77746, 80264, 80896, 130048, 155492, 160528, 310984, 321056, 621968, 642112, 1243936, 1284224, 2487872, 2568448, 3070967, 4936871, 4975744, 5136896, 6141934, 9873742, 9951488, 10273792, 12283868, 19747484, 19902976, 24567736, 39494968, 39805952, 49135472, 78989936, 98270944, 157979872, 196541888, 315959744, 390012809, 393083776, 631919488, 780025618, 786167552, 1263838976, 1560051236, 1572335104, 2527677952, 3120102472, 3144670208, 5055355904, 6240204944, 12480409888, 24960819776, 49921639552, 99843279104, 199686558208, 399373116416]

約数ペア:

[(1, 399373116416), (2, 199686558208), (4, 99843279104), (8, 49921639552), (16, 24960819776), (32, 12480409888), (64, 6240204944), (79, 5055355904), (127, 3144670208), (128, 3120102472), (158, 2527677952), (254, 1572335104), (256, 1560051236), (316, 1263838976), (508, 786167552), (512, 780025618), (632, 631919488), (1016, 393083776), (1024, 390012809), (1264, 315959744), (2032, 196541888), (2528, 157979872), (4064, 98270944), (5056, 78989936), (8128, 49135472), (10033, 39805952), (10112, 39494968), (16256, 24567736), (20066, 19902976), (20224, 19747484), (32512, 12283868), (38873, 10273792), (40132, 9951488), (40448, 9873742), (65024, 6141934), (77746, 5136896), (80264, 4975744), (80896, 4936871), (130048, 3070967), (155492, 2568448), (160528, 2487872), (310984, 1284224), (321056, 1243936), (621968, 642112)]