31978236

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 80075520

約数和(自身を除く): 48097284

約数列:

[1, 2, 3, 4, 6, 12, 31, 47, 59, 62, 93, 94, 118, 124, 141, 177, 186, 188, 236, 282, 354, 372, 564, 708, 961, 1457, 1829, 1922, 2773, 2883, 2914, 3658, 3844, 4371, 5487, 5546, 5766, 5828, 7316, 8319, 8742, 10974, 11092, 11532, 16638, 17484, 21948, 33276, 45167, 56699, 85963, 90334, 113398, 135501, 170097, 171926, 180668, 226796, 257889, 271002, 340194, 343852, 515778, 542004, 680388, 1031556, 2664853, 5329706, 7994559, 10659412, 15989118, 31978236]

約数ペア:

[(1, 31978236), (2, 15989118), (3, 10659412), (4, 7994559), (6, 5329706), (12, 2664853), (31, 1031556), (47, 680388), (59, 542004), (62, 515778), (93, 343852), (94, 340194), (118, 271002), (124, 257889), (141, 226796), (177, 180668), (186, 171926), (188, 170097), (236, 135501), (282, 113398), (354, 90334), (372, 85963), (564, 56699), (708, 45167), (961, 33276), (1457, 21948), (1829, 17484), (1922, 16638), (2773, 11532), (2883, 11092), (2914, 10974), (3658, 8742), (3844, 8319), (4371, 7316), (5487, 5828), (5546, 5766)]