421566208

素因数分解:

$2^8\times 7^3\times {\mathrm{4801}}^1$

素因数の和:4838

約数の個数: 72

約数和(自身を含む): 981528800

約数和(自身を除く): 559962592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 686, 784, 896, 1372, 1568, 1792, 2744, 3136, 4801, 5488, 6272, 9602, 10976, 12544, 19204, 21952, 33607, 38408, 43904, 67214, 76816, 87808, 134428, 153632, 235249, 268856, 307264, 470498, 537712, 614528, 940996, 1075424, 1229056, 1646743, 1881992, 2150848, 3293486, 3763984, 4301696, 6586972, 7527968, 8603392, 13173944, 15055936, 26347888, 30111872, 52695776, 60223744, 105391552, 210783104, 421566208]

約数ペア:

[(1, 421566208), (2, 210783104), (4, 105391552), (7, 60223744), (8, 52695776), (14, 30111872), (16, 26347888), (28, 15055936), (32, 13173944), (49, 8603392), (56, 7527968), (64, 6586972), (98, 4301696), (112, 3763984), (128, 3293486), (196, 2150848), (224, 1881992), (256, 1646743), (343, 1229056), (392, 1075424), (448, 940996), (686, 614528), (784, 537712), (896, 470498), (1372, 307264), (1568, 268856), (1792, 235249), (2744, 153632), (3136, 134428), (4801, 87808), (5488, 76816), (6272, 67214), (9602, 43904), (10976, 38408), (12544, 33607), (19204, 21952)]