215988084

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:438

約数の個数: 108

約数和(自身を含む): 597909312

約数和(自身を除く): 381921228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 131, 156, 169, 234, 262, 271, 338, 393, 468, 507, 524, 542, 676, 786, 813, 1014, 1084, 1179, 1521, 1572, 1626, 1703, 2028, 2358, 2439, 3042, 3252, 3406, 3523, 4716, 4878, 5109, 6084, 6812, 7046, 9756, 10218, 10569, 14092, 15327, 20436, 21138, 22139, 30654, 31707, 35501, 42276, 44278, 45799, 61308, 63414, 66417, 71002, 88556, 91598, 106503, 126828, 132834, 137397, 142004, 183196, 199251, 213006, 265668, 274794, 319509, 398502, 412191, 426012, 461513, 549588, 639018, 797004, 824382, 923026, 1278036, 1384539, 1648764, 1846052, 2769078, 4153617, 5538156, 5999669, 8307234, 11999338, 16614468, 17999007, 23998676, 35998014, 53997021, 71996028, 107994042, 215988084]

約数ペア:

[(1, 215988084), (2, 107994042), (3, 71996028), (4, 53997021), (6, 35998014), (9, 23998676), (12, 17999007), (13, 16614468), (18, 11999338), (26, 8307234), (36, 5999669), (39, 5538156), (52, 4153617), (78, 2769078), (117, 1846052), (131, 1648764), (156, 1384539), (169, 1278036), (234, 923026), (262, 824382), (271, 797004), (338, 639018), (393, 549588), (468, 461513), (507, 426012), (524, 412191), (542, 398502), (676, 319509), (786, 274794), (813, 265668), (1014, 213006), (1084, 199251), (1179, 183196), (1521, 142004), (1572, 137397), (1626, 132834), (1703, 126828), (2028, 106503), (2358, 91598), (2439, 88556), (3042, 71002), (3252, 66417), (3406, 63414), (3523, 61308), (4716, 45799), (4878, 44278), (5109, 42276), (6084, 35501), (6812, 31707), (7046, 30654), (9756, 22139), (10218, 21138), (10569, 20436), (14092, 15327)]