31994404

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 66407040

約数和(自身を除く): 34412636

約数列:

[1, 2, 4, 13, 19, 26, 38, 47, 52, 53, 76, 94, 106, 169, 188, 212, 247, 338, 494, 611, 676, 689, 893, 988, 1007, 1222, 1378, 1786, 2014, 2444, 2491, 2756, 3211, 3572, 4028, 4982, 6422, 7943, 8957, 9964, 11609, 12844, 13091, 15886, 17914, 23218, 26182, 31772, 32383, 35828, 46436, 47329, 52364, 64766, 94658, 129532, 150917, 170183, 189316, 301834, 340366, 420979, 603668, 615277, 680732, 841958, 1230554, 1683916, 2461108, 7998601, 15997202, 31994404]

約数ペア:

[(1, 31994404), (2, 15997202), (4, 7998601), (13, 2461108), (19, 1683916), (26, 1230554), (38, 841958), (47, 680732), (52, 615277), (53, 603668), (76, 420979), (94, 340366), (106, 301834), (169, 189316), (188, 170183), (212, 150917), (247, 129532), (338, 94658), (494, 64766), (611, 52364), (676, 47329), (689, 46436), (893, 35828), (988, 32383), (1007, 31772), (1222, 26182), (1378, 23218), (1786, 17914), (2014, 15886), (2444, 13091), (2491, 12844), (2756, 11609), (3211, 9964), (3572, 8957), (4028, 7943), (4982, 6422)]