1278307004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{18223}}^1$

素因数の和:18330

約数の個数: 48

約数和(自身を含む): 2571770880

約数和(自身を除く): 1293463876

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 71, 76, 142, 247, 284, 494, 923, 988, 1349, 1846, 2698, 3692, 5396, 17537, 18223, 35074, 36446, 70148, 72892, 236899, 346237, 473798, 692474, 947596, 1293833, 1384948, 2587666, 4501081, 5175332, 9002162, 16819829, 18004324, 24582827, 33639658, 49165654, 67279316, 98331308, 319576751, 639153502, 1278307004]

約数ペア:

[(1, 1278307004), (2, 639153502), (4, 319576751), (13, 98331308), (19, 67279316), (26, 49165654), (38, 33639658), (52, 24582827), (71, 18004324), (76, 16819829), (142, 9002162), (247, 5175332), (284, 4501081), (494, 2587666), (923, 1384948), (988, 1293833), (1349, 947596), (1846, 692474), (2698, 473798), (3692, 346237), (5396, 236899), (17537, 72892), (18223, 70148), (35074, 36446)]