399408048

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{213359}}^1$

素因数の和:213386

約数の個数: 60

約数和(自身を含む): 1203777120

約数和(自身を除く): 804369072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 213359, 426718, 640077, 853436, 1280154, 1706872, 1920231, 2560308, 2773667, 3413744, 3840462, 5120616, 5547334, 7680924, 8321001, 10241232, 11094668, 15361848, 16642002, 22189336, 24963003, 30723696, 33284004, 44378672, 49926006, 66568008, 99852012, 133136016, 199704024, 399408048]

約数ペア:

[(1, 399408048), (2, 199704024), (3, 133136016), (4, 99852012), (6, 66568008), (8, 49926006), (9, 44378672), (12, 33284004), (13, 30723696), (16, 24963003), (18, 22189336), (24, 16642002), (26, 15361848), (36, 11094668), (39, 10241232), (48, 8321001), (52, 7680924), (72, 5547334), (78, 5120616), (104, 3840462), (117, 3413744), (144, 2773667), (156, 2560308), (208, 1920231), (234, 1706872), (312, 1280154), (468, 853436), (624, 640077), (936, 426718), (1872, 213359)]