639989376

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128203}}^1$

素因数の和:128233

約数の個数: 64

約数和(自身を含む): 1830753120

約数和(自身を除く): 1190763744

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 312, 384, 416, 624, 832, 1248, 1664, 2496, 4992, 128203, 256406, 384609, 512812, 769218, 1025624, 1538436, 1666639, 2051248, 3076872, 3333278, 4102496, 4999917, 6153744, 6666556, 8204992, 9999834, 12307488, 13333112, 16409984, 19999668, 24614976, 26666224, 39999336, 49229952, 53332448, 79998672, 106664896, 159997344, 213329792, 319994688, 639989376]

約数ペア:

[(1, 639989376), (2, 319994688), (3, 213329792), (4, 159997344), (6, 106664896), (8, 79998672), (12, 53332448), (13, 49229952), (16, 39999336), (24, 26666224), (26, 24614976), (32, 19999668), (39, 16409984), (48, 13333112), (52, 12307488), (64, 9999834), (78, 8204992), (96, 6666556), (104, 6153744), (128, 4999917), (156, 4102496), (192, 3333278), (208, 3076872), (312, 2051248), (384, 1666639), (416, 1538436), (624, 1025624), (832, 769218), (1248, 512812), (1664, 384609), (2496, 256406), (4992, 128203)]