64858856

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 133358400

約数和(自身を除く): 68499544

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 83, 97, 106, 152, 166, 194, 212, 332, 388, 424, 664, 776, 1007, 1577, 1843, 2014, 3154, 3686, 4028, 4399, 5141, 6308, 7372, 8051, 8056, 8798, 10282, 12616, 14744, 16102, 17596, 20564, 32204, 35192, 41128, 64408, 83581, 97679, 152969, 167162, 195358, 305938, 334324, 390716, 426703, 611876, 668648, 781432, 853406, 1223752, 1706812, 3413624, 8107357, 16214714, 32429428, 64858856]

約数ペア:

[(1, 64858856), (2, 32429428), (4, 16214714), (8, 8107357), (19, 3413624), (38, 1706812), (53, 1223752), (76, 853406), (83, 781432), (97, 668648), (106, 611876), (152, 426703), (166, 390716), (194, 334324), (212, 305938), (332, 195358), (388, 167162), (424, 152969), (664, 97679), (776, 83581), (1007, 64408), (1577, 41128), (1843, 35192), (2014, 32204), (3154, 20564), (3686, 17596), (4028, 16102), (4399, 14744), (5141, 12616), (6308, 10282), (7372, 8798), (8051, 8056)]