221524368

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{355007}}^1$

素因数の和:355031

約数の個数: 40

約数和(自身を含む): 616293888

約数和(自身を除く): 394769520

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 355007, 710014, 1065021, 1420028, 2130042, 2840056, 4260084, 4615091, 5680112, 8520168, 9230182, 13845273, 17040336, 18460364, 27690546, 36920728, 55381092, 73841456, 110762184, 221524368]

約数ペア:

[(1, 221524368), (2, 110762184), (3, 73841456), (4, 55381092), (6, 36920728), (8, 27690546), (12, 18460364), (13, 17040336), (16, 13845273), (24, 9230182), (26, 8520168), (39, 5680112), (48, 4615091), (52, 4260084), (78, 2840056), (104, 2130042), (156, 1420028), (208, 1065021), (312, 710014), (624, 355007)]