172439748

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1609}}^1$

素因数の和:1861

約数の個数: 72

約数和(自身を含む): 471762200

約数和(自身を除く): 299322452

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 229, 234, 458, 468, 687, 916, 1374, 1609, 2061, 2748, 2977, 3218, 4122, 4827, 5954, 6436, 8244, 8931, 9654, 11908, 14481, 17862, 19308, 20917, 26793, 28962, 35724, 41834, 53586, 57924, 62751, 83668, 107172, 125502, 188253, 251004, 368461, 376506, 736922, 753012, 1105383, 1473844, 2210766, 3316149, 4421532, 4789993, 6632298, 9579986, 13264596, 14369979, 19159972, 28739958, 43109937, 57479916, 86219874, 172439748]

約数ペア:

[(1, 172439748), (2, 86219874), (3, 57479916), (4, 43109937), (6, 28739958), (9, 19159972), (12, 14369979), (13, 13264596), (18, 9579986), (26, 6632298), (36, 4789993), (39, 4421532), (52, 3316149), (78, 2210766), (117, 1473844), (156, 1105383), (229, 753012), (234, 736922), (458, 376506), (468, 368461), (687, 251004), (916, 188253), (1374, 125502), (1609, 107172), (2061, 83668), (2748, 62751), (2977, 57924), (3218, 53586), (4122, 41834), (4827, 35724), (5954, 28962), (6436, 26793), (8244, 20917), (8931, 19308), (9654, 17862), (11908, 14481)]