678762016

素因数分解:

$2^5\times {\mathrm{23}}^2\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:554

約数の個数: 72

約数和(自身を含む): 1414324044

約数和(自身を除く): 735562028

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 101, 184, 202, 368, 397, 404, 529, 736, 794, 808, 1058, 1588, 1616, 2116, 2323, 3176, 3232, 4232, 4646, 6352, 8464, 9131, 9292, 12704, 16928, 18262, 18584, 36524, 37168, 40097, 53429, 73048, 74336, 80194, 106858, 146096, 160388, 210013, 213716, 292192, 320776, 420026, 427432, 641552, 840052, 854864, 922231, 1283104, 1680104, 1709728, 1844462, 3360208, 3688924, 6720416, 7377848, 14755696, 21211313, 29511392, 42422626, 84845252, 169690504, 339381008, 678762016]

約数ペア:

[(1, 678762016), (2, 339381008), (4, 169690504), (8, 84845252), (16, 42422626), (23, 29511392), (32, 21211313), (46, 14755696), (92, 7377848), (101, 6720416), (184, 3688924), (202, 3360208), (368, 1844462), (397, 1709728), (404, 1680104), (529, 1283104), (736, 922231), (794, 854864), (808, 840052), (1058, 641552), (1588, 427432), (1616, 420026), (2116, 320776), (2323, 292192), (3176, 213716), (3232, 210013), (4232, 160388), (4646, 146096), (6352, 106858), (8464, 80194), (9131, 74336), (9292, 73048), (12704, 53429), (16928, 40097), (18262, 37168), (18584, 36524)]