71216964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21739}}^1$

素因数の和:21769

約数の個数: 72

約数和(自身を含む): 221574080

約数和(自身を除く): 150357116

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 21739, 43478, 65217, 86956, 130434, 152173, 195651, 260868, 282607, 304346, 391302, 456519, 565214, 608692, 782604, 847821, 913038, 1130428, 1369557, 1695642, 1826076, 1978249, 2543463, 2739114, 3391284, 3956498, 5086926, 5478228, 5934747, 7912996, 10173852, 11869494, 17804241, 23738988, 35608482, 71216964]

約数ペア:

[(1, 71216964), (2, 35608482), (3, 23738988), (4, 17804241), (6, 11869494), (7, 10173852), (9, 7912996), (12, 5934747), (13, 5478228), (14, 5086926), (18, 3956498), (21, 3391284), (26, 2739114), (28, 2543463), (36, 1978249), (39, 1826076), (42, 1695642), (52, 1369557), (63, 1130428), (78, 913038), (84, 847821), (91, 782604), (117, 608692), (126, 565214), (156, 456519), (182, 391302), (234, 304346), (252, 282607), (273, 260868), (364, 195651), (468, 152173), (546, 130434), (819, 86956), (1092, 65217), (1638, 43478), (3276, 21739)]