67691988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20663}}^1$

素因数の和:20693

約数の個数: 72

約数和(自身を含む): 210607488

約数和(自身を除く): 142915500

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 20663, 41326, 61989, 82652, 123978, 144641, 185967, 247956, 268619, 289282, 371934, 433923, 537238, 578564, 743868, 805857, 867846, 1074476, 1301769, 1611714, 1735692, 1880333, 2417571, 2603538, 3223428, 3760666, 4835142, 5207076, 5640999, 7521332, 9670284, 11281998, 16922997, 22563996, 33845994, 67691988]

約数ペア:

[(1, 67691988), (2, 33845994), (3, 22563996), (4, 16922997), (6, 11281998), (7, 9670284), (9, 7521332), (12, 5640999), (13, 5207076), (14, 4835142), (18, 3760666), (21, 3223428), (26, 2603538), (28, 2417571), (36, 1880333), (39, 1735692), (42, 1611714), (52, 1301769), (63, 1074476), (78, 867846), (84, 805857), (91, 743868), (117, 578564), (126, 537238), (156, 433923), (182, 371934), (234, 289282), (252, 268619), (273, 247956), (364, 185967), (468, 144641), (546, 123978), (819, 82652), (1092, 61989), (1638, 41326), (3276, 20663)]