31894148

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 68350296

約数和(自身を除く): 36456148

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 121, 137, 143, 148, 242, 274, 286, 407, 481, 484, 548, 572, 814, 962, 1507, 1573, 1628, 1781, 1924, 3014, 3146, 3562, 4477, 5069, 5291, 6028, 6292, 7124, 8954, 10138, 10582, 16577, 17908, 19591, 20276, 21164, 33154, 39182, 55759, 58201, 65897, 66308, 78364, 111518, 116402, 131794, 215501, 223036, 232804, 263588, 431002, 613349, 724867, 862004, 1226698, 1449734, 2453396, 2899468, 7973537, 15947074, 31894148]

約数ペア:

[(1, 31894148), (2, 15947074), (4, 7973537), (11, 2899468), (13, 2453396), (22, 1449734), (26, 1226698), (37, 862004), (44, 724867), (52, 613349), (74, 431002), (121, 263588), (137, 232804), (143, 223036), (148, 215501), (242, 131794), (274, 116402), (286, 111518), (407, 78364), (481, 66308), (484, 65897), (548, 58201), (572, 55759), (814, 39182), (962, 33154), (1507, 21164), (1573, 20276), (1628, 19591), (1781, 17908), (1924, 16577), (3014, 10582), (3146, 10138), (3562, 8954), (4477, 7124), (5069, 6292), (5291, 6028)]