221565708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1439}}^1$

素因数の和:1516

約数の個数: 144

約数和(自身を含む): 704471040

約数和(自身を除く): 482905332

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 47, 52, 63, 78, 84, 91, 94, 117, 126, 141, 156, 182, 188, 234, 252, 273, 282, 329, 364, 423, 468, 546, 564, 611, 658, 819, 846, 987, 1092, 1222, 1316, 1439, 1638, 1692, 1833, 1974, 2444, 2878, 2961, 3276, 3666, 3948, 4277, 4317, 5499, 5756, 5922, 7332, 8554, 8634, 10073, 10998, 11844, 12831, 12951, 17108, 17268, 18707, 20146, 21996, 25662, 25902, 30219, 37414, 38493, 40292, 51324, 51804, 56121, 60438, 67633, 74828, 76986, 90657, 112242, 120876, 130949, 135266, 153972, 168363, 181314, 202899, 224484, 261898, 270532, 336726, 362628, 392847, 405798, 473431, 523796, 608697, 673452, 785694, 811596, 879229, 946862, 1178541, 1217394, 1420293, 1571388, 1758458, 1893724, 2357082, 2434788, 2637687, 2840586, 3516916, 4260879, 4714164, 5275374, 5681172, 6154603, 7913061, 8521758, 10550748, 12309206, 15826122, 17043516, 18463809, 24618412, 31652244, 36927618, 55391427, 73855236, 110782854, 221565708]

約数ペア:

[(1, 221565708), (2, 110782854), (3, 73855236), (4, 55391427), (6, 36927618), (7, 31652244), (9, 24618412), (12, 18463809), (13, 17043516), (14, 15826122), (18, 12309206), (21, 10550748), (26, 8521758), (28, 7913061), (36, 6154603), (39, 5681172), (42, 5275374), (47, 4714164), (52, 4260879), (63, 3516916), (78, 2840586), (84, 2637687), (91, 2434788), (94, 2357082), (117, 1893724), (126, 1758458), (141, 1571388), (156, 1420293), (182, 1217394), (188, 1178541), (234, 946862), (252, 879229), (273, 811596), (282, 785694), (329, 673452), (364, 608697), (423, 523796), (468, 473431), (546, 405798), (564, 392847), (611, 362628), (658, 336726), (819, 270532), (846, 261898), (987, 224484), (1092, 202899), (1222, 181314), (1316, 168363), (1439, 153972), (1638, 135266), (1692, 130949), (1833, 120876), (1974, 112242), (2444, 90657), (2878, 76986), (2961, 74828), (3276, 67633), (3666, 60438), (3948, 56121), (4277, 51804), (4317, 51324), (5499, 40292), (5756, 38493), (5922, 37414), (7332, 30219), (8554, 25902), (8634, 25662), (10073, 21996), (10998, 20146), (11844, 18707), (12831, 17268), (12951, 17108)]