40688388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{383}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 111541248

約数和(自身を除く): 70852860

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 227, 234, 383, 454, 468, 681, 766, 908, 1149, 1362, 1532, 2043, 2298, 2724, 2951, 3447, 4086, 4596, 4979, 5902, 6894, 8172, 8853, 9958, 11804, 13788, 14937, 17706, 19916, 26559, 29874, 35412, 44811, 53118, 59748, 86941, 89622, 106236, 173882, 179244, 260823, 347764, 521646, 782469, 1043292, 1130233, 1564938, 2260466, 3129876, 3390699, 4520932, 6781398, 10172097, 13562796, 20344194, 40688388]

約数ペア:

[(1, 40688388), (2, 20344194), (3, 13562796), (4, 10172097), (6, 6781398), (9, 4520932), (12, 3390699), (13, 3129876), (18, 2260466), (26, 1564938), (36, 1130233), (39, 1043292), (52, 782469), (78, 521646), (117, 347764), (156, 260823), (227, 179244), (234, 173882), (383, 106236), (454, 89622), (468, 86941), (681, 59748), (766, 53118), (908, 44811), (1149, 35412), (1362, 29874), (1532, 26559), (2043, 19916), (2298, 17706), (2724, 14937), (2951, 13788), (3447, 11804), (4086, 9958), (4596, 8853), (4979, 8172), (5902, 6894)]