215838688

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{373}}^1$

素因数の和:516

約数の個数: 72

約数和(自身を含む): 465679368

約数和(自身を除く): 249840680

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 107, 169, 208, 214, 338, 373, 416, 428, 676, 746, 856, 1352, 1391, 1492, 1712, 2704, 2782, 2984, 3424, 4849, 5408, 5564, 5968, 9698, 11128, 11936, 18083, 19396, 22256, 36166, 38792, 39911, 44512, 63037, 72332, 77584, 79822, 126074, 144664, 155168, 159644, 252148, 289328, 319288, 504296, 518843, 578656, 638576, 1008592, 1037686, 1277152, 2017184, 2075372, 4150744, 6744959, 8301488, 13489918, 16602976, 26979836, 53959672, 107919344, 215838688]

約数ペア:

[(1, 215838688), (2, 107919344), (4, 53959672), (8, 26979836), (13, 16602976), (16, 13489918), (26, 8301488), (32, 6744959), (52, 4150744), (104, 2075372), (107, 2017184), (169, 1277152), (208, 1037686), (214, 1008592), (338, 638576), (373, 578656), (416, 518843), (428, 504296), (676, 319288), (746, 289328), (856, 252148), (1352, 159644), (1391, 155168), (1492, 144664), (1712, 126074), (2704, 79822), (2782, 77584), (2984, 72332), (3424, 63037), (4849, 44512), (5408, 39911), (5564, 38792), (5968, 36166), (9698, 22256), (11128, 19396), (11936, 18083)]