938872005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 1628605440

約数和(自身を除く): 689733435

約数列:

[1, 3, 5, 15, 17, 51, 67, 85, 179, 201, 255, 307, 335, 537, 895, 921, 1005, 1139, 1535, 2685, 3043, 3417, 4605, 5219, 5695, 9129, 11993, 15215, 15657, 17085, 20569, 26095, 35979, 45645, 54953, 59965, 61707, 78285, 102845, 164859, 179895, 203881, 274765, 308535, 349673, 611643, 824295, 934201, 1019405, 1049019, 1748365, 2802603, 3058215, 3681851, 4671005, 5245095, 11045553, 14013015, 18409255, 55227765, 62591467, 187774401, 312957335, 938872005]

約数ペア:

[(1, 938872005), (3, 312957335), (5, 187774401), (15, 62591467), (17, 55227765), (51, 18409255), (67, 14013015), (85, 11045553), (179, 5245095), (201, 4671005), (255, 3681851), (307, 3058215), (335, 2802603), (537, 1748365), (895, 1049019), (921, 1019405), (1005, 934201), (1139, 824295), (1535, 611643), (2685, 349673), (3043, 308535), (3417, 274765), (4605, 203881), (5219, 179895), (5695, 164859), (9129, 102845), (11993, 78285), (15215, 61707), (15657, 59965), (17085, 54953), (20569, 45645), (26095, 35979)]