131036255

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 204456960

約数和(自身を除く): 73420705

約数列:

[1, 5, 7, 17, 19, 35, 67, 85, 95, 119, 133, 173, 323, 335, 469, 595, 665, 865, 1139, 1211, 1273, 1615, 2261, 2345, 2941, 3287, 5695, 6055, 6365, 7973, 8911, 11305, 11591, 14705, 16435, 20587, 21641, 23009, 39865, 44555, 55879, 57955, 81137, 102935, 108205, 115045, 151487, 197047, 220229, 279395, 391153, 405685, 757435, 985235, 1101145, 1379329, 1541603, 1955765, 3743893, 6896645, 7708015, 18719465, 26207251, 131036255]

約数ペア:

[(1, 131036255), (5, 26207251), (7, 18719465), (17, 7708015), (19, 6896645), (35, 3743893), (67, 1955765), (85, 1541603), (95, 1379329), (119, 1101145), (133, 985235), (173, 757435), (323, 405685), (335, 391153), (469, 279395), (595, 220229), (665, 197047), (865, 151487), (1139, 115045), (1211, 108205), (1273, 102935), (1615, 81137), (2261, 57955), (2345, 55879), (2941, 44555), (3287, 39865), (5695, 23009), (6055, 21641), (6365, 20587), (7973, 16435), (8911, 14705), (11305, 11591)]