2591464785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{617}}^1$

素因数の和:843

約数の個数: 128

約数和(自身を含む): 5442038784

約数和(自身を除く): 2850573999

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 65, 85, 91, 105, 119, 181, 195, 221, 255, 273, 357, 455, 543, 595, 617, 663, 905, 1105, 1267, 1365, 1547, 1785, 1851, 2353, 2715, 3077, 3085, 3315, 3801, 4319, 4641, 6335, 7059, 7735, 8021, 9231, 9255, 10489, 11765, 12957, 15385, 16471, 19005, 21539, 21595, 23205, 24063, 31467, 35295, 40001, 40105, 46155, 49413, 52445, 56147, 64617, 64785, 73423, 82355, 107695, 111677, 120003, 120315, 136357, 157335, 168441, 200005, 220269, 247065, 280007, 280735, 323085, 335031, 367115, 409071, 558385, 600015, 681785, 781739, 840021, 842205, 954499, 1101345, 1400035, 1451801, 1675155, 1898509, 2045355, 2345217, 2863497, 3908695, 4200105, 4355403, 4772495, 5695527, 7259005, 9492545, 10162607, 11726085, 13289563, 14317485, 21777015, 24680617, 28477635, 30487821, 39868689, 50813035, 66447815, 74041851, 123403085, 152439105, 172764319, 199343445, 370209255, 518292957, 863821595, 2591464785]

約数ペア:

[(1, 2591464785), (3, 863821595), (5, 518292957), (7, 370209255), (13, 199343445), (15, 172764319), (17, 152439105), (21, 123403085), (35, 74041851), (39, 66447815), (51, 50813035), (65, 39868689), (85, 30487821), (91, 28477635), (105, 24680617), (119, 21777015), (181, 14317485), (195, 13289563), (221, 11726085), (255, 10162607), (273, 9492545), (357, 7259005), (455, 5695527), (543, 4772495), (595, 4355403), (617, 4200105), (663, 3908695), (905, 2863497), (1105, 2345217), (1267, 2045355), (1365, 1898509), (1547, 1675155), (1785, 1451801), (1851, 1400035), (2353, 1101345), (2715, 954499), (3077, 842205), (3085, 840021), (3315, 781739), (3801, 681785), (4319, 600015), (4641, 558385), (6335, 409071), (7059, 367115), (7735, 335031), (8021, 323085), (9231, 280735), (9255, 280007), (10489, 247065), (11765, 220269), (12957, 200005), (15385, 168441), (16471, 157335), (19005, 136357), (21539, 120315), (21595, 120003), (23205, 111677), (24063, 107695), (31467, 82355), (35295, 73423), (40001, 64785), (40105, 64617), (46155, 56147), (49413, 52445)]